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Finding the Fourth Proportional to 573,766.92, 791,773.38 and 315,627.50

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Solution

The fourth proportional to 573,766.92, 791,773.38 and 315,627.50 is: 435,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,766.92 : 791,773.38 = 315,627.50 : x
  2. Step 2: Convert to fraction form
    573,766.92/791,773.38 = 315,627.50/x
  3. Step 3: Cross multiply
    573,766.92x = 791,773.38 × 315,627.50
  4. Step 4: Simplify right side
    573,766.92x = 249,905,452,495.95
  5. Step 5: Solve for x
    x = 249,905,452,495.95/573,766.92
  6. Step 6: Final answer
    x = 435,552.21

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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.