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Finding the Fourth Proportional to 576,287.99, 862,291.10 and 362,052.88

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Solution

The fourth proportional to 576,287.99, 862,291.10 and 362,052.88 is: 541,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,287.99 : 862,291.10 = 362,052.88 : x
  2. Step 2: Convert to fraction form
    576,287.99/862,291.10 = 362,052.88/x
  3. Step 3: Cross multiply
    576,287.99x = 862,291.10 × 362,052.88
  4. Step 4: Simplify right side
    576,287.99x = 312,194,974,902.77
  5. Step 5: Solve for x
    x = 312,194,974,902.77/576,287.99
  6. Step 6: Final answer
    x = 541,734.30

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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.