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Finding the Fourth Proportional to 462,435.48, 638,179.56 and 268,842.24

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Solution

The fourth proportional to 462,435.48, 638,179.56 and 268,842.24 is: 371,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,435.48 : 638,179.56 = 268,842.24 : x
  2. Step 2: Convert to fraction form
    462,435.48/638,179.56 = 268,842.24/x
  3. Step 3: Cross multiply
    462,435.48x = 638,179.56 × 268,842.24
  4. Step 4: Simplify right side
    462,435.48x = 171,569,622,432.61
  5. Step 5: Solve for x
    x = 171,569,622,432.61/462,435.48
  6. Step 6: Final answer
    x = 371,013.10

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1.5x scale

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.