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Finding the Fourth Proportional to 334,398.19, 501,613.69 and 134,691.61

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Solution

The fourth proportional to 334,398.19, 501,613.69 and 134,691.61 is: 202,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,398.19 : 501,613.69 = 134,691.61 : x
  2. Step 2: Convert to fraction form
    334,398.19/501,613.69 = 134,691.61/x
  3. Step 3: Cross multiply
    334,398.19x = 501,613.69 × 134,691.61
  4. Step 4: Simplify right side
    334,398.19x = 67,563,155,167.41
  5. Step 5: Solve for x
    x = 67,563,155,167.41/334,398.19
  6. Step 6: Final answer
    x = 202,044.02

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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.