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Finding the Fourth Proportional to 376,003.60, 564,005.40 and 234,077.20

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Solution

The fourth proportional to 376,003.60, 564,005.40 and 234,077.20 is: 351,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,003.60 : 564,005.40 = 234,077.20 : x
  2. Step 2: Convert to fraction form
    376,003.60/564,005.40 = 234,077.20/x
  3. Step 3: Cross multiply
    376,003.60x = 564,005.40 × 234,077.20
  4. Step 4: Simplify right side
    376,003.60x = 132,020,804,816.88
  5. Step 5: Solve for x
    x = 132,020,804,816.88/376,003.60
  6. Step 6: Final answer
    x = 351,115.80

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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.