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Finding the Fourth Proportional to 461,124.47, 636,352.29 and 254,388.17

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Solution

The fourth proportional to 461,124.47, 636,352.29 and 254,388.17 is: 351,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,124.47 : 636,352.29 = 254,388.17 : x
  2. Step 2: Convert to fraction form
    461,124.47/636,352.29 = 254,388.17/x
  3. Step 3: Cross multiply
    461,124.47x = 636,352.29 × 254,388.17
  4. Step 4: Simplify right side
    461,124.47x = 161,880,491,346.65
  5. Step 5: Solve for x
    x = 161,880,491,346.65/461,124.47
  6. Step 6: Final answer
    x = 351,055.96

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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.