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Finding the Fourth Proportional to 458,545.57, 631,751.97 and 354,823.12

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Solution

The fourth proportional to 458,545.57, 631,751.97 and 354,823.12 is: 488,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,545.57 : 631,751.97 = 354,823.12 : x
  2. Step 2: Convert to fraction form
    458,545.57/631,751.97 = 354,823.12/x
  3. Step 3: Cross multiply
    458,545.57x = 631,751.97 × 354,823.12
  4. Step 4: Simplify right side
    458,545.57x = 224,160,205,061.55
  5. Step 5: Solve for x
    x = 224,160,205,061.55/458,545.57
  6. Step 6: Final answer
    x = 488,850.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.