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Finding the Fourth Proportional to 475,253.17, 655,849.24 and 260,401.39

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Solution

The fourth proportional to 475,253.17, 655,849.24 and 260,401.39 is: 359,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,253.17 : 655,849.24 = 260,401.39 : x
  2. Step 2: Convert to fraction form
    475,253.17/655,849.24 = 260,401.39/x
  3. Step 3: Cross multiply
    475,253.17x = 655,849.24 × 260,401.39
  4. Step 4: Simplify right side
    475,253.17x = 170,784,053,726.44
  5. Step 5: Solve for x
    x = 170,784,053,726.44/475,253.17
  6. Step 6: Final answer
    x = 359,353.84

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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.