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Finding the Fourth Proportional to 375,053.56, 517,575.56 and 202,971.55

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Solution

The fourth proportional to 375,053.56, 517,575.56 and 202,971.55 is: 280,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,053.56 : 517,575.56 = 202,971.55 : x
  2. Step 2: Convert to fraction form
    375,053.56/517,575.56 = 202,971.55/x
  3. Step 3: Cross multiply
    375,053.56x = 517,575.56 × 202,971.55
  4. Step 4: Simplify right side
    375,053.56x = 105,053,112,868.81
  5. Step 5: Solve for x
    x = 105,053,112,868.81/375,053.56
  6. Step 6: Final answer
    x = 280,101.63

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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.