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Finding the Fourth Proportional to 629,873.20, 944,809.80 and 452,726.20

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Solution

The fourth proportional to 629,873.20, 944,809.80 and 452,726.20 is: 679,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,873.20 : 944,809.80 = 452,726.20 : x
  2. Step 2: Convert to fraction form
    629,873.20/944,809.80 = 452,726.20/x
  3. Step 3: Cross multiply
    629,873.20x = 944,809.80 × 452,726.20
  4. Step 4: Simplify right side
    629,873.20x = 427,740,150,476.76
  5. Step 5: Solve for x
    x = 427,740,150,476.76/629,873.20
  6. Step 6: Final answer
    x = 679,089.30

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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.