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Finding the Fourth Proportional to 376,440.60, 564,633.54 and 123,718.08

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Solution

The fourth proportional to 376,440.60, 564,633.54 and 123,718.08 is: 185,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,440.60 : 564,633.54 = 123,718.08 : x
  2. Step 2: Convert to fraction form
    376,440.60/564,633.54 = 123,718.08/x
  3. Step 3: Cross multiply
    376,440.60x = 564,633.54 × 123,718.08
  4. Step 4: Simplify right side
    376,440.60x = 69,855,377,472.40
  5. Step 5: Solve for x
    x = 69,855,377,472.40/376,440.60
  6. Step 6: Final answer
    x = 185,568.13

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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.