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Finding the Fourth Proportional to 615,042.60, 922,563.90 and 532,098.60

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Solution

The fourth proportional to 615,042.60, 922,563.90 and 532,098.60 is: 798,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,042.60 : 922,563.90 = 532,098.60 : x
  2. Step 2: Convert to fraction form
    615,042.60/922,563.90 = 532,098.60/x
  3. Step 3: Cross multiply
    615,042.60x = 922,563.90 × 532,098.60
  4. Step 4: Simplify right side
    615,042.60x = 490,894,959,600.54
  5. Step 5: Solve for x
    x = 490,894,959,600.54/615,042.60
  6. Step 6: Final answer
    x = 798,147.90

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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.