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Finding the Fourth Proportional to 424,191.60, 636,254.33 and 246,585.33

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Solution

The fourth proportional to 424,191.60, 636,254.33 and 246,585.33 is: 369,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,191.60 : 636,254.33 = 246,585.33 : x
  2. Step 2: Convert to fraction form
    424,191.60/636,254.33 = 246,585.33/x
  3. Step 3: Cross multiply
    424,191.60x = 636,254.33 × 246,585.33
  4. Step 4: Simplify right side
    424,191.60x = 156,890,982,694.05
  5. Step 5: Solve for x
    x = 156,890,982,694.05/424,191.60
  6. Step 6: Final answer
    x = 369,858.77

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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.