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Finding the Fourth Proportional to 573,854.40, 860,781.60 and 441,403.20

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Solution

The fourth proportional to 573,854.40, 860,781.60 and 441,403.20 is: 662,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,854.40 : 860,781.60 = 441,403.20 : x
  2. Step 2: Convert to fraction form
    573,854.40/860,781.60 = 441,403.20/x
  3. Step 3: Cross multiply
    573,854.40x = 860,781.60 × 441,403.20
  4. Step 4: Simplify right side
    573,854.40x = 379,951,752,741.12
  5. Step 5: Solve for x
    x = 379,951,752,741.12/573,854.40
  6. Step 6: Final answer
    x = 662,104.80

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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.