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Finding the Fourth Proportional to 376,181.47, 564,272.21 and 189,061.75

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Solution

The fourth proportional to 376,181.47, 564,272.21 and 189,061.75 is: 283,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,181.47 : 564,272.21 = 189,061.75 : x
  2. Step 2: Convert to fraction form
    376,181.47/564,272.21 = 189,061.75/x
  3. Step 3: Cross multiply
    376,181.47x = 564,272.21 × 189,061.75
  4. Step 4: Simplify right side
    376,181.47x = 106,682,291,498.97
  5. Step 5: Solve for x
    x = 106,682,291,498.97/376,181.47
  6. Step 6: Final answer
    x = 283,592.63

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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.