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Finding the Fourth Proportional to 523,060.30, 784,590.45 and 149,034.70

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Solution

The fourth proportional to 523,060.30, 784,590.45 and 149,034.70 is: 223,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,060.30 : 784,590.45 = 149,034.70 : x
  2. Step 2: Convert to fraction form
    523,060.30/784,590.45 = 149,034.70/x
  3. Step 3: Cross multiply
    523,060.30x = 784,590.45 × 149,034.70
  4. Step 4: Simplify right side
    523,060.30x = 116,931,202,338.62
  5. Step 5: Solve for x
    x = 116,931,202,338.62/523,060.30
  6. Step 6: Final answer
    x = 223,552.05

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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.