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Finding the Fourth Proportional to 506,234.20, 759,351.30 and 482,906.20

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Solution

The fourth proportional to 506,234.20, 759,351.30 and 482,906.20 is: 724,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,234.20 : 759,351.30 = 482,906.20 : x
  2. Step 2: Convert to fraction form
    506,234.20/759,351.30 = 482,906.20/x
  3. Step 3: Cross multiply
    506,234.20x = 759,351.30 × 482,906.20
  4. Step 4: Simplify right side
    506,234.20x = 366,695,450,748.06
  5. Step 5: Solve for x
    x = 366,695,450,748.06/506,234.20
  6. Step 6: Final answer
    x = 724,359.30

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Half scale
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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.