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Finding the Fourth Proportional to 376,448.72, 564,553.40 and 123,670.60

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Solution

The fourth proportional to 376,448.72, 564,553.40 and 123,670.60 is: 185,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,448.72 : 564,553.40 = 123,670.60 : x
  2. Step 2: Convert to fraction form
    376,448.72/564,553.40 = 123,670.60/x
  3. Step 3: Cross multiply
    376,448.72x = 564,553.40 × 123,670.60
  4. Step 4: Simplify right side
    376,448.72x = 69,818,655,680.30
  5. Step 5: Solve for x
    x = 69,818,655,680.30/376,448.72
  6. Step 6: Final answer
    x = 185,466.58

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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.