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Finding the Fourth Proportional to 499,230.30, 748,845.45 and 166,806.30

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Solution

The fourth proportional to 499,230.30, 748,845.45 and 166,806.30 is: 250,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,230.30 : 748,845.45 = 166,806.30 : x
  2. Step 2: Convert to fraction form
    499,230.30/748,845.45 = 166,806.30/x
  3. Step 3: Cross multiply
    499,230.30x = 748,845.45 × 166,806.30
  4. Step 4: Simplify right side
    499,230.30x = 124,912,138,786.34
  5. Step 5: Solve for x
    x = 124,912,138,786.34/499,230.30
  6. Step 6: Final answer
    x = 250,209.45

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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.