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Finding the Fourth Proportional to 375,564.74, 517,996.62 and 260,843.52

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Solution

The fourth proportional to 375,564.74, 517,996.62 and 260,843.52 is: 359,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,564.74 : 517,996.62 = 260,843.52 : x
  2. Step 2: Convert to fraction form
    375,564.74/517,996.62 = 260,843.52/x
  3. Step 3: Cross multiply
    375,564.74x = 517,996.62 × 260,843.52
  4. Step 4: Simplify right side
    375,564.74x = 135,116,063,651.39
  5. Step 5: Solve for x
    x = 135,116,063,651.39/375,564.74
  6. Step 6: Final answer
    x = 359,767.71

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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.