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Finding the Fourth Proportional to 604,865,278.55, 907,297,917.83 and 604,865,278.55

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Solution

The fourth proportional to 604,865,278.55, 907,297,917.83 and 604,865,278.55 is: 907,297,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,865,278.55 : 907,297,917.83 = 604,865,278.55 : x
  2. Step 2: Convert to fraction form
    604,865,278.55/907,297,917.83 = 604,865,278.55/x
  3. Step 3: Cross multiply
    604,865,278.55x = 907,297,917.83 × 604,865,278.55
  4. Step 4: Simplify right side
    604,865,278.55x = 548,793,007,796,077,952
  5. Step 5: Solve for x
    x = 548,793,007,796,077,952/604,865,278.55
  6. Step 6: Final answer
    x = 907,297,917.83

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.