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Finding the Fourth Proportional to 527,307.53, 790,960.02 and 127,947.96

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Solution

The fourth proportional to 527,307.53, 790,960.02 and 127,947.96 is: 191,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,307.53 : 790,960.02 = 127,947.96 : x
  2. Step 2: Convert to fraction form
    527,307.53/790,960.02 = 127,947.96/x
  3. Step 3: Cross multiply
    527,307.53x = 790,960.02 × 127,947.96
  4. Step 4: Simplify right side
    527,307.53x = 101,201,720,520.75
  5. Step 5: Solve for x
    x = 101,201,720,520.75/527,307.53
  6. Step 6: Final answer
    x = 191,921.63

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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.