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Finding the Fourth Proportional to 506,521.32, 759,760.86 and 132,536.04

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Solution

The fourth proportional to 506,521.32, 759,760.86 and 132,536.04 is: 198,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,521.32 : 759,760.86 = 132,536.04 : x
  2. Step 2: Convert to fraction form
    506,521.32/759,760.86 = 132,536.04/x
  3. Step 3: Cross multiply
    506,521.32x = 759,760.86 × 132,536.04
  4. Step 4: Simplify right side
    506,521.32x = 100,695,695,731.39
  5. Step 5: Solve for x
    x = 100,695,695,731.39/506,521.32
  6. Step 6: Final answer
    x = 198,798.53

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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.