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Finding the Fourth Proportional to 376,638.30, 564,958.38 and 92,330.10

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Solution

The fourth proportional to 376,638.30, 564,958.38 and 92,330.10 is: 138,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,638.30 : 564,958.38 = 92,330.10 : x
  2. Step 2: Convert to fraction form
    376,638.30/564,958.38 = 92,330.10/x
  3. Step 3: Cross multiply
    376,638.30x = 564,958.38 × 92,330.10
  4. Step 4: Simplify right side
    376,638.30x = 52,162,663,721.24
  5. Step 5: Solve for x
    x = 52,162,663,721.24/376,638.30
  6. Step 6: Final answer
    x = 138,495.38

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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.