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Finding the Fourth Proportional to 377,499.62, 566,338.10 and 124,780.12

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Solution

The fourth proportional to 377,499.62, 566,338.10 and 124,780.12 is: 187,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,499.62 : 566,338.10 = 124,780.12 : x
  2. Step 2: Convert to fraction form
    377,499.62/566,338.10 = 124,780.12/x
  3. Step 3: Cross multiply
    377,499.62x = 566,338.10 × 124,780.12
  4. Step 4: Simplify right side
    377,499.62x = 70,667,736,078.57
  5. Step 5: Solve for x
    x = 70,667,736,078.57/377,499.62
  6. Step 6: Final answer
    x = 187,199.49

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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.