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Finding the Fourth Proportional to 576,053.70, 864,080.55 and 541,061.70

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Solution

The fourth proportional to 576,053.70, 864,080.55 and 541,061.70 is: 811,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,053.70 : 864,080.55 = 541,061.70 : x
  2. Step 2: Convert to fraction form
    576,053.70/864,080.55 = 541,061.70/x
  3. Step 3: Cross multiply
    576,053.70x = 864,080.55 × 541,061.70
  4. Step 4: Simplify right side
    576,053.70x = 467,520,891,319.94
  5. Step 5: Solve for x
    x = 467,520,891,319.94/576,053.70
  6. Step 6: Final answer
    x = 811,592.55

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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.