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Finding the Fourth Proportional to 533,765.88, 800,689.76 and 154,691.76

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Solution

The fourth proportional to 533,765.88, 800,689.76 and 154,691.76 is: 232,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,765.88 : 800,689.76 = 154,691.76 : x
  2. Step 2: Convert to fraction form
    533,765.88/800,689.76 = 154,691.76/x
  3. Step 3: Cross multiply
    533,765.88x = 800,689.76 × 154,691.76
  4. Step 4: Simplify right side
    533,765.88x = 123,860,108,188.38
  5. Step 5: Solve for x
    x = 123,860,108,188.38/533,765.88
  6. Step 6: Final answer
    x = 232,049.50

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1.5x scale

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.