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Finding the Fourth Proportional to 576,213.53, 864,320.29 and 155,488.73

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Solution

The fourth proportional to 576,213.53, 864,320.29 and 155,488.73 is: 233,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,213.53 : 864,320.29 = 155,488.73 : x
  2. Step 2: Convert to fraction form
    576,213.53/864,320.29 = 155,488.73/x
  3. Step 3: Cross multiply
    576,213.53x = 864,320.29 × 155,488.73
  4. Step 4: Simplify right side
    576,213.53x = 134,392,059,495.01
  5. Step 5: Solve for x
    x = 134,392,059,495.01/576,213.53
  6. Step 6: Final answer
    x = 233,233.09

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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.