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Finding the Fourth Proportional to 629,937.60, 944,906.40 and 230,445.60

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Solution

The fourth proportional to 629,937.60, 944,906.40 and 230,445.60 is: 345,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,937.60 : 944,906.40 = 230,445.60 : x
  2. Step 2: Convert to fraction form
    629,937.60/944,906.40 = 230,445.60/x
  3. Step 3: Cross multiply
    629,937.60x = 944,906.40 × 230,445.60
  4. Step 4: Simplify right side
    629,937.60x = 217,749,522,291.84
  5. Step 5: Solve for x
    x = 217,749,522,291.84/629,937.60
  6. Step 6: Final answer
    x = 345,668.40

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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.