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Finding the Fourth Proportional to 467,593.71, 645,274.80 and 260,863.89

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Solution

The fourth proportional to 467,593.71, 645,274.80 and 260,863.89 is: 359,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,593.71 : 645,274.80 = 260,863.89 : x
  2. Step 2: Convert to fraction form
    467,593.71/645,274.80 = 260,863.89/x
  3. Step 3: Cross multiply
    467,593.71x = 645,274.80 × 260,863.89
  4. Step 4: Simplify right side
    467,593.71x = 168,328,894,446.97
  5. Step 5: Solve for x
    x = 168,328,894,446.97/467,593.71
  6. Step 6: Final answer
    x = 359,989.65

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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.