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Finding the Fourth Proportional to 576,055.20, 864,082.80 and 541,063.20

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Solution

The fourth proportional to 576,055.20, 864,082.80 and 541,063.20 is: 811,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,055.20 : 864,082.80 = 541,063.20 : x
  2. Step 2: Convert to fraction form
    576,055.20/864,082.80 = 541,063.20/x
  3. Step 3: Cross multiply
    576,055.20x = 864,082.80 × 541,063.20
  4. Step 4: Simplify right side
    576,055.20x = 467,523,404,832.96
  5. Step 5: Solve for x
    x = 467,523,404,832.96/576,055.20
  6. Step 6: Final answer
    x = 811,594.80

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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.