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Finding the Fourth Proportional to 604,926.60, 907,389.90 and 394,801.80

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Solution

The fourth proportional to 604,926.60, 907,389.90 and 394,801.80 is: 592,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,926.60 : 907,389.90 = 394,801.80 : x
  2. Step 2: Convert to fraction form
    604,926.60/907,389.90 = 394,801.80/x
  3. Step 3: Cross multiply
    604,926.60x = 907,389.90 × 394,801.80
  4. Step 4: Simplify right side
    604,926.60x = 358,239,165,821.82
  5. Step 5: Solve for x
    x = 358,239,165,821.82/604,926.60
  6. Step 6: Final answer
    x = 592,202.70

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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.