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Finding the Fourth Proportional to 427,758.24, 590,437.79 and 246,591.28

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Solution

The fourth proportional to 427,758.24, 590,437.79 and 246,591.28 is: 340,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,758.24 : 590,437.79 = 246,591.28 : x
  2. Step 2: Convert to fraction form
    427,758.24/590,437.79 = 246,591.28/x
  3. Step 3: Cross multiply
    427,758.24x = 590,437.79 × 246,591.28
  4. Step 4: Simplify right side
    427,758.24x = 145,596,810,396.47
  5. Step 5: Solve for x
    x = 145,596,810,396.47/427,758.24
  6. Step 6: Final answer
    x = 340,371.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.