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Finding the Fourth Proportional to 523,049.30, 784,573.95 and 149,023.70

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Solution

The fourth proportional to 523,049.30, 784,573.95 and 149,023.70 is: 223,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,049.30 : 784,573.95 = 149,023.70 : x
  2. Step 2: Convert to fraction form
    523,049.30/784,573.95 = 149,023.70/x
  3. Step 3: Cross multiply
    523,049.30x = 784,573.95 × 149,023.70
  4. Step 4: Simplify right side
    523,049.30x = 116,920,112,952.62
  5. Step 5: Solve for x
    x = 116,920,112,952.62/523,049.30
  6. Step 6: Final answer
    x = 223,535.55

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Similar ratio
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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.