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Finding the Fourth Proportional to 375,018.30, 517,523.40 and 202,936.14

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Solution

The fourth proportional to 375,018.30, 517,523.40 and 202,936.14 is: 280,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,018.30 : 517,523.40 = 202,936.14 : x
  2. Step 2: Convert to fraction form
    375,018.30/517,523.40 = 202,936.14/x
  3. Step 3: Cross multiply
    375,018.30x = 517,523.40 × 202,936.14
  4. Step 4: Simplify right side
    375,018.30x = 105,024,201,155.68
  5. Step 5: Solve for x
    x = 105,024,201,155.68/375,018.30
  6. Step 6: Final answer
    x = 280,050.87

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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.