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Finding the Fourth Proportional to 574,919.10, 862,378.65 and 565,587.90

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Solution

The fourth proportional to 574,919.10, 862,378.65 and 565,587.90 is: 848,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,919.10 : 862,378.65 = 565,587.90 : x
  2. Step 2: Convert to fraction form
    574,919.10/862,378.65 = 565,587.90/x
  3. Step 3: Cross multiply
    574,919.10x = 862,378.65 × 565,587.90
  4. Step 4: Simplify right side
    574,919.10x = 487,750,929,658.34
  5. Step 5: Solve for x
    x = 487,750,929,658.34/574,919.10
  6. Step 6: Final answer
    x = 848,381.85

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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.