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Finding the Fourth Proportional to 518,481.36, 715,098.66 and 337,251.16

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Solution

The fourth proportional to 518,481.36, 715,098.66 and 337,251.16 is: 465,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,481.36 : 715,098.66 = 337,251.16 : x
  2. Step 2: Convert to fraction form
    518,481.36/715,098.66 = 337,251.16/x
  3. Step 3: Cross multiply
    518,481.36x = 715,098.66 × 337,251.16
  4. Step 4: Simplify right side
    518,481.36x = 241,167,850,913.19
  5. Step 5: Solve for x
    x = 241,167,850,913.19/518,481.36
  6. Step 6: Final answer
    x = 465,142.76

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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.