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Finding the Fourth Proportional to 475,306.92, 655,926.66 and 260,456.04

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Solution

The fourth proportional to 475,306.92, 655,926.66 and 260,456.04 is: 359,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,306.92 : 655,926.66 = 260,456.04 : x
  2. Step 2: Convert to fraction form
    475,306.92/655,926.66 = 260,456.04/x
  3. Step 3: Cross multiply
    475,306.92x = 655,926.66 × 260,456.04
  4. Step 4: Simplify right side
    475,306.92x = 170,840,060,394.03
  5. Step 5: Solve for x
    x = 170,840,060,394.03/475,306.92
  6. Step 6: Final answer
    x = 359,431.04

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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.