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Finding the Fourth Proportional to 576,191.32, 864,286.98 and 155,467.19

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Solution

The fourth proportional to 576,191.32, 864,286.98 and 155,467.19 is: 233,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,191.32 : 864,286.98 = 155,467.19 : x
  2. Step 2: Convert to fraction form
    576,191.32/864,286.98 = 155,467.19/x
  3. Step 3: Cross multiply
    576,191.32x = 864,286.98 × 155,467.19
  4. Step 4: Simplify right side
    576,191.32x = 134,368,270,294.90
  5. Step 5: Solve for x
    x = 134,368,270,294.90/576,191.32
  6. Step 6: Final answer
    x = 233,200.79

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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.