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Finding the Fourth Proportional to 579,671.04, 868,758.12 and 259,589.04

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Solution

The fourth proportional to 579,671.04, 868,758.12 and 259,589.04 is: 389,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,671.04 : 868,758.12 = 259,589.04 : x
  2. Step 2: Convert to fraction form
    579,671.04/868,758.12 = 259,589.04/x
  3. Step 3: Cross multiply
    579,671.04x = 868,758.12 × 259,589.04
  4. Step 4: Simplify right side
    579,671.04x = 225,520,086,363.01
  5. Step 5: Solve for x
    x = 225,520,086,363.01/579,671.04
  6. Step 6: Final answer
    x = 389,048.39

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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.