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Finding the Fourth Proportional to 375,001.62, 517,489.34 and 213,908.82

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Solution

The fourth proportional to 375,001.62, 517,489.34 and 213,908.82 is: 295,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,001.62 : 517,489.34 = 213,908.82 : x
  2. Step 2: Convert to fraction form
    375,001.62/517,489.34 = 213,908.82/x
  3. Step 3: Cross multiply
    375,001.62x = 517,489.34 × 213,908.82
  4. Step 4: Simplify right side
    375,001.62x = 110,695,533,012.44
  5. Step 5: Solve for x
    x = 110,695,533,012.44/375,001.62
  6. Step 6: Final answer
    x = 295,186.81

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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.