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Finding the Fourth Proportional to 604,830.45, 907,245.69 and 604,830.45

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Solution

The fourth proportional to 604,830.45, 907,245.69 and 604,830.45 is: 907,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,830.45 : 907,245.69 = 604,830.45 : x
  2. Step 2: Convert to fraction form
    604,830.45/907,245.69 = 604,830.45/x
  3. Step 3: Cross multiply
    604,830.45x = 907,245.69 × 604,830.45
  4. Step 4: Simplify right side
    604,830.45x = 548,729,818,943.26
  5. Step 5: Solve for x
    x = 548,729,818,943.26/604,830.45
  6. Step 6: Final answer
    x = 907,245.69

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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.