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Finding the Fourth Proportional to 334,397.94, 501,613.31 and 134,691.36

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Solution

The fourth proportional to 334,397.94, 501,613.31 and 134,691.36 is: 202,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,397.94 : 501,613.31 = 134,691.36 : x
  2. Step 2: Convert to fraction form
    334,397.94/501,613.31 = 134,691.36/x
  3. Step 3: Cross multiply
    334,397.94x = 501,613.31 × 134,691.36
  4. Step 4: Simplify right side
    334,397.94x = 67,562,979,254.73
  5. Step 5: Solve for x
    x = 67,562,979,254.73/334,397.94
  6. Step 6: Final answer
    x = 202,043.65

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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.