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Finding the Fourth Proportional to 536,785.92, 805,565.28 and 199,873.44

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Solution

The fourth proportional to 536,785.92, 805,565.28 and 199,873.44 is: 299,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,785.92 : 805,565.28 = 199,873.44 : x
  2. Step 2: Convert to fraction form
    536,785.92/805,565.28 = 199,873.44/x
  3. Step 3: Cross multiply
    536,785.92x = 805,565.28 × 199,873.44
  4. Step 4: Simplify right side
    536,785.92x = 161,011,103,658.16
  5. Step 5: Solve for x
    x = 161,011,103,658.16/536,785.92
  6. Step 6: Final answer
    x = 299,954.04

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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.