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Finding the Fourth Proportional to 518,498.62, 715,122.47 and 337,268.42

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Solution

The fourth proportional to 518,498.62, 715,122.47 and 337,268.42 is: 465,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,498.62 : 715,122.47 = 337,268.42 : x
  2. Step 2: Convert to fraction form
    518,498.62/715,122.47 = 337,268.42/x
  3. Step 3: Cross multiply
    518,498.62x = 715,122.47 × 337,268.42
  4. Step 4: Simplify right side
    518,498.62x = 241,188,229,535.23
  5. Step 5: Solve for x
    x = 241,188,229,535.23/518,498.62
  6. Step 6: Final answer
    x = 465,166.58

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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.