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Finding the Fourth Proportional to 475,063.68, 655,587.96 and 260,211.43

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Solution

The fourth proportional to 475,063.68, 655,587.96 and 260,211.43 is: 359,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,063.68 : 655,587.96 = 260,211.43 : x
  2. Step 2: Convert to fraction form
    475,063.68/655,587.96 = 260,211.43/x
  3. Step 3: Cross multiply
    475,063.68x = 655,587.96 × 260,211.43
  4. Step 4: Simplify right side
    475,063.68x = 170,591,480,562.38
  5. Step 5: Solve for x
    x = 170,591,480,562.38/475,063.68
  6. Step 6: Final answer
    x = 359,091.82

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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.