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Finding the Fourth Proportional to 376,528.80, 564,789.60 and 92,220.60

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Solution

The fourth proportional to 376,528.80, 564,789.60 and 92,220.60 is: 138,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,528.80 : 564,789.60 = 92,220.60 : x
  2. Step 2: Convert to fraction form
    376,528.80/564,789.60 = 92,220.60/x
  3. Step 3: Cross multiply
    376,528.80x = 564,789.60 × 92,220.60
  4. Step 4: Simplify right side
    376,528.80x = 52,085,235,785.76
  5. Step 5: Solve for x
    x = 52,085,235,785.76/376,528.80
  6. Step 6: Final answer
    x = 138,330.02

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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.