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Finding the Fourth Proportional to 376,511.95, 564,792.45 and 123,724.81

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Solution

The fourth proportional to 376,511.95, 564,792.45 and 123,724.81 is: 185,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,511.95 : 564,792.45 = 123,724.81 : x
  2. Step 2: Convert to fraction form
    376,511.95/564,792.45 = 123,724.81/x
  3. Step 3: Cross multiply
    376,511.95x = 564,792.45 × 123,724.81
  4. Step 4: Simplify right side
    376,511.95x = 69,878,838,565.68
  5. Step 5: Solve for x
    x = 69,878,838,565.68/376,511.95
  6. Step 6: Final answer
    x = 185,595.27

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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.