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Finding the Fourth Proportional to 475,432.89, 656,067.65 and 260,557.71

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Solution

The fourth proportional to 475,432.89, 656,067.65 and 260,557.71 is: 359,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,432.89 : 656,067.65 = 260,557.71 : x
  2. Step 2: Convert to fraction form
    475,432.89/656,067.65 = 260,557.71/x
  3. Step 3: Cross multiply
    475,432.89x = 656,067.65 × 260,557.71
  4. Step 4: Simplify right side
    475,432.89x = 170,943,483,186.29
  5. Step 5: Solve for x
    x = 170,943,483,186.29/475,432.89
  6. Step 6: Final answer
    x = 359,553.34

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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.