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Finding the Fourth Proportional to 475,038.01, 655,545.85 and 271,153.58

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Solution

The fourth proportional to 475,038.01, 655,545.85 and 271,153.58 is: 374,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,038.01 : 655,545.85 = 271,153.58 : x
  2. Step 2: Convert to fraction form
    475,038.01/655,545.85 = 271,153.58/x
  3. Step 3: Cross multiply
    475,038.01x = 655,545.85 × 271,153.58
  4. Step 4: Simplify right side
    475,038.01x = 177,753,605,042.62
  5. Step 5: Solve for x
    x = 177,753,605,042.62/475,038.01
  6. Step 6: Final answer
    x = 374,188.17

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1.5x scale

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.