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Finding the Fourth Proportional to 376,437.04, 564,535.78 and 123,658.87

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Solution

The fourth proportional to 376,437.04, 564,535.78 and 123,658.87 is: 185,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,437.04 : 564,535.78 = 123,658.87 : x
  2. Step 2: Convert to fraction form
    376,437.04/564,535.78 = 123,658.87/x
  3. Step 3: Cross multiply
    376,437.04x = 564,535.78 × 123,658.87
  4. Step 4: Simplify right side
    376,437.04x = 69,809,856,629.37
  5. Step 5: Solve for x
    x = 69,809,856,629.37/376,437.04
  6. Step 6: Final answer
    x = 185,448.96

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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.