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Finding the Fourth Proportional to 375,924.48, 518,633.44 and 239,963.52

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Solution

The fourth proportional to 375,924.48, 518,633.44 and 239,963.52 is: 331,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,924.48 : 518,633.44 = 239,963.52 : x
  2. Step 2: Convert to fraction form
    375,924.48/518,633.44 = 239,963.52/x
  3. Step 3: Cross multiply
    375,924.48x = 518,633.44 × 239,963.52
  4. Step 4: Simplify right side
    375,924.48x = 124,453,105,852.11
  5. Step 5: Solve for x
    x = 124,453,105,852.11/375,924.48
  6. Step 6: Final answer
    x = 331,058.80

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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.