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Finding the Fourth Proportional to 376,943.49, 564,878.48 and 187,217.93

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Solution

The fourth proportional to 376,943.49, 564,878.48 and 187,217.93 is: 280,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,943.49 : 564,878.48 = 187,217.93 : x
  2. Step 2: Convert to fraction form
    376,943.49/564,878.48 = 187,217.93/x
  3. Step 3: Cross multiply
    376,943.49x = 564,878.48 × 187,217.93
  4. Step 4: Simplify right side
    376,943.49x = 105,755,380,203.25
  5. Step 5: Solve for x
    x = 105,755,380,203.25/376,943.49
  6. Step 6: Final answer
    x = 280,560.30

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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.