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Finding the Fourth Proportional to 602,003.24, 903,155.14 and 424,856.24

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Solution

The fourth proportional to 602,003.24, 903,155.14 and 424,856.24 is: 637,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,003.24 : 903,155.14 = 424,856.24 : x
  2. Step 2: Convert to fraction form
    602,003.24/903,155.14 = 424,856.24/x
  3. Step 3: Cross multiply
    602,003.24x = 903,155.14 × 424,856.24
  4. Step 4: Simplify right side
    602,003.24x = 383,711,096,917.07
  5. Step 5: Solve for x
    x = 383,711,096,917.07/602,003.24
  6. Step 6: Final answer
    x = 637,390.42

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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.