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Finding the Fourth Proportional to 623,843.40, 935,765.10 and 224,934.60

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Solution

The fourth proportional to 623,843.40, 935,765.10 and 224,934.60 is: 337,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,843.40 : 935,765.10 = 224,934.60 : x
  2. Step 2: Convert to fraction form
    623,843.40/935,765.10 = 224,934.60/x
  3. Step 3: Cross multiply
    623,843.40x = 935,765.10 × 224,934.60
  4. Step 4: Simplify right side
    623,843.40x = 210,485,948,462.46
  5. Step 5: Solve for x
    x = 210,485,948,462.46/623,843.40
  6. Step 6: Final answer
    x = 337,401.90

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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.