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Finding the Fourth Proportional to 510,902.20, 766,353.30 and 244,525.60

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Solution

The fourth proportional to 510,902.20, 766,353.30 and 244,525.60 is: 366,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,902.20 : 766,353.30 = 244,525.60 : x
  2. Step 2: Convert to fraction form
    510,902.20/766,353.30 = 244,525.60/x
  3. Step 3: Cross multiply
    510,902.20x = 766,353.30 × 244,525.60
  4. Step 4: Simplify right side
    510,902.20x = 187,393,000,494.48
  5. Step 5: Solve for x
    x = 187,393,000,494.48/510,902.20
  6. Step 6: Final answer
    x = 366,788.40

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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.