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Finding the Fourth Proportional to 613,951.83, 921,503.66 and 377,755.83

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Solution

The fourth proportional to 613,951.83, 921,503.66 and 377,755.83 is: 566,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,951.83 : 921,503.66 = 377,755.83 : x
  2. Step 2: Convert to fraction form
    613,951.83/921,503.66 = 377,755.83/x
  3. Step 3: Cross multiply
    613,951.83x = 921,503.66 × 377,755.83
  4. Step 4: Simplify right side
    613,951.83x = 348,103,378,042.56
  5. Step 5: Solve for x
    x = 348,103,378,042.56/613,951.83
  6. Step 6: Final answer
    x = 566,988.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.