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Finding the Fourth Proportional to 550,233.80, 825,350.70 and 474,126.20

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Solution

The fourth proportional to 550,233.80, 825,350.70 and 474,126.20 is: 711,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,233.80 : 825,350.70 = 474,126.20 : x
  2. Step 2: Convert to fraction form
    550,233.80/825,350.70 = 474,126.20/x
  3. Step 3: Cross multiply
    550,233.80x = 825,350.70 × 474,126.20
  4. Step 4: Simplify right side
    550,233.80x = 391,320,391,058.34
  5. Step 5: Solve for x
    x = 391,320,391,058.34/550,233.80
  6. Step 6: Final answer
    x = 711,189.30

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Double scale
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Similar ratio
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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.