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Finding the Fourth Proportional to 461,374.11, 636,696.72 and 270,387.72

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Solution

The fourth proportional to 461,374.11, 636,696.72 and 270,387.72 is: 373,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,374.11 : 636,696.72 = 270,387.72 : x
  2. Step 2: Convert to fraction form
    461,374.11/636,696.72 = 270,387.72/x
  3. Step 3: Cross multiply
    461,374.11x = 636,696.72 × 270,387.72
  4. Step 4: Simplify right side
    461,374.11x = 172,154,974,452.28
  5. Step 5: Solve for x
    x = 172,154,974,452.28/461,374.11
  6. Step 6: Final answer
    x = 373,135.32

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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.