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Finding the Fourth Proportional to 533,082.52, 799,505.65 and 153,920.76

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Solution

The fourth proportional to 533,082.52, 799,505.65 and 153,920.76 is: 230,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,082.52 : 799,505.65 = 153,920.76 : x
  2. Step 2: Convert to fraction form
    533,082.52/799,505.65 = 153,920.76/x
  3. Step 3: Cross multiply
    533,082.52x = 799,505.65 × 153,920.76
  4. Step 4: Simplify right side
    533,082.52x = 123,060,517,272.29
  5. Step 5: Solve for x
    x = 123,060,517,272.29/533,082.52
  6. Step 6: Final answer
    x = 230,847.03

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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.