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Finding the Fourth Proportional to 375,053.37, 517,575.30 and 202,971.36

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Solution

The fourth proportional to 375,053.37, 517,575.30 and 202,971.36 is: 280,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,053.37 : 517,575.30 = 202,971.36 : x
  2. Step 2: Convert to fraction form
    375,053.37/517,575.30 = 202,971.36/x
  3. Step 3: Cross multiply
    375,053.37x = 517,575.30 × 202,971.36
  4. Step 4: Simplify right side
    375,053.37x = 105,052,964,864.89
  5. Step 5: Solve for x
    x = 105,052,964,864.89/375,053.37
  6. Step 6: Final answer
    x = 280,101.37

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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.