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Finding the Fourth Proportional to 376,470.55, 564,586.08 and 123,692.78

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Solution

The fourth proportional to 376,470.55, 564,586.08 and 123,692.78 is: 185,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,470.55 : 564,586.08 = 123,692.78 : x
  2. Step 2: Convert to fraction form
    376,470.55/564,586.08 = 123,692.78/x
  3. Step 3: Cross multiply
    376,470.55x = 564,586.08 × 123,692.78
  4. Step 4: Simplify right side
    376,470.55x = 69,835,221,166.04
  5. Step 5: Solve for x
    x = 69,835,221,166.04/376,470.55
  6. Step 6: Final answer
    x = 185,499.83

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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.