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Finding the Fourth Proportional to 559,282.11, 838,836.57 and 306,687.24

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Solution

The fourth proportional to 559,282.11, 838,836.57 and 306,687.24 is: 459,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,282.11 : 838,836.57 = 306,687.24 : x
  2. Step 2: Convert to fraction form
    559,282.11/838,836.57 = 306,687.24/x
  3. Step 3: Cross multiply
    559,282.11x = 838,836.57 × 306,687.24
  4. Step 4: Simplify right side
    559,282.11x = 257,260,472,464.37
  5. Step 5: Solve for x
    x = 257,260,472,464.37/559,282.11
  6. Step 6: Final answer
    x = 459,983.37

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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.