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Finding the Fourth Proportional to 629,841.40, 944,762.10 and 256,132.60

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Solution

The fourth proportional to 629,841.40, 944,762.10 and 256,132.60 is: 384,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,841.40 : 944,762.10 = 256,132.60 : x
  2. Step 2: Convert to fraction form
    629,841.40/944,762.10 = 256,132.60/x
  3. Step 3: Cross multiply
    629,841.40x = 944,762.10 × 256,132.60
  4. Step 4: Simplify right side
    629,841.40x = 241,984,373,054.46
  5. Step 5: Solve for x
    x = 241,984,373,054.46/629,841.40
  6. Step 6: Final answer
    x = 384,198.90

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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.