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Finding the Fourth Proportional to 622,448.60, 933,672.90 and 616,543.70

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Solution

The fourth proportional to 622,448.60, 933,672.90 and 616,543.70 is: 924,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,448.60 : 933,672.90 = 616,543.70 : x
  2. Step 2: Convert to fraction form
    622,448.60/933,672.90 = 616,543.70/x
  3. Step 3: Cross multiply
    622,448.60x = 933,672.90 × 616,543.70
  4. Step 4: Simplify right side
    622,448.60x = 575,650,144,355.73
  5. Step 5: Solve for x
    x = 575,650,144,355.73/622,448.60
  6. Step 6: Final answer
    x = 924,815.55

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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.