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Finding the Fourth Proportional to 375,897.28, 518,659.62 and 239,844.52

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Solution

The fourth proportional to 375,897.28, 518,659.62 and 239,844.52 is: 330,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,897.28 : 518,659.62 = 239,844.52 : x
  2. Step 2: Convert to fraction form
    375,897.28/518,659.62 = 239,844.52/x
  3. Step 3: Cross multiply
    375,897.28x = 518,659.62 × 239,844.52
  4. Step 4: Simplify right side
    375,897.28x = 124,397,667,602.28
  5. Step 5: Solve for x
    x = 124,397,667,602.28/375,897.28
  6. Step 6: Final answer
    x = 330,935.27

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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.