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Finding the Fourth Proportional to 576,448.20, 864,672.30 and 541,456.20

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Solution

The fourth proportional to 576,448.20, 864,672.30 and 541,456.20 is: 812,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,448.20 : 864,672.30 = 541,456.20 : x
  2. Step 2: Convert to fraction form
    576,448.20/864,672.30 = 541,456.20/x
  3. Step 3: Cross multiply
    576,448.20x = 864,672.30 × 541,456.20
  4. Step 4: Simplify right side
    576,448.20x = 468,182,177,803.26
  5. Step 5: Solve for x
    x = 468,182,177,803.26/576,448.20
  6. Step 6: Final answer
    x = 812,184.30

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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.