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Finding the Fourth Proportional to 629,627.40, 944,441.10 and 363,250.80

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Solution

The fourth proportional to 629,627.40, 944,441.10 and 363,250.80 is: 544,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,627.40 : 944,441.10 = 363,250.80 : x
  2. Step 2: Convert to fraction form
    629,627.40/944,441.10 = 363,250.80/x
  3. Step 3: Cross multiply
    629,627.40x = 944,441.10 × 363,250.80
  4. Step 4: Simplify right side
    629,627.40x = 343,068,985,127.88
  5. Step 5: Solve for x
    x = 343,068,985,127.88/629,627.40
  6. Step 6: Final answer
    x = 544,876.20

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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.