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Finding the Fourth Proportional to 518,357.52, 715,466.88 and 337,520.88

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Solution

The fourth proportional to 518,357.52, 715,466.88 and 337,520.88 is: 465,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,357.52 : 715,466.88 = 337,520.88 : x
  2. Step 2: Convert to fraction form
    518,357.52/715,466.88 = 337,520.88/x
  3. Step 3: Cross multiply
    518,357.52x = 715,466.88 × 337,520.88
  4. Step 4: Simplify right side
    518,357.52x = 241,485,010,948.45
  5. Step 5: Solve for x
    x = 241,485,010,948.45/518,357.52
  6. Step 6: Final answer
    x = 465,865.74

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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.