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Finding the Fourth Proportional to 493,626.20, 740,439.30 and 119,649.20

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Solution

The fourth proportional to 493,626.20, 740,439.30 and 119,649.20 is: 179,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,626.20 : 740,439.30 = 119,649.20 : x
  2. Step 2: Convert to fraction form
    493,626.20/740,439.30 = 119,649.20/x
  3. Step 3: Cross multiply
    493,626.20x = 740,439.30 × 119,649.20
  4. Step 4: Simplify right side
    493,626.20x = 88,592,966,191.36
  5. Step 5: Solve for x
    x = 88,592,966,191.36/493,626.20
  6. Step 6: Final answer
    x = 179,473.79

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Double scale
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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.