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Finding the Fourth Proportional to 376,568.73, 564,733.11 and 123,790.71

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Solution

The fourth proportional to 376,568.73, 564,733.11 and 123,790.71 is: 185,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,568.73 : 564,733.11 = 123,790.71 : x
  2. Step 2: Convert to fraction form
    376,568.73/564,733.11 = 123,790.71/x
  3. Step 3: Cross multiply
    376,568.73x = 564,733.11 × 123,790.71
  4. Step 4: Simplify right side
    376,568.73x = 69,908,712,647.41
  5. Step 5: Solve for x
    x = 69,908,712,647.41/376,568.73
  6. Step 6: Final answer
    x = 185,646.62

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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.