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Finding the Fourth Proportional to 375,011.04, 517,336.32 and 231,719.52

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Solution

The fourth proportional to 375,011.04, 517,336.32 and 231,719.52 is: 319,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,011.04 : 517,336.32 = 231,719.52 : x
  2. Step 2: Convert to fraction form
    375,011.04/517,336.32 = 231,719.52/x
  3. Step 3: Cross multiply
    375,011.04x = 517,336.32 × 231,719.52
  4. Step 4: Simplify right side
    375,011.04x = 119,876,923,748.97
  5. Step 5: Solve for x
    x = 119,876,923,748.97/375,011.04
  6. Step 6: Final answer
    x = 319,662.39

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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.