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Finding the Fourth Proportional to 375,054.41, 517,576.73 and 202,972.39

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Solution

The fourth proportional to 375,054.41, 517,576.73 and 202,972.39 is: 280,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,054.41 : 517,576.73 = 202,972.39 : x
  2. Step 2: Convert to fraction form
    375,054.41/517,576.73 = 202,972.39/x
  3. Step 3: Cross multiply
    375,054.41x = 517,576.73 × 202,972.39
  4. Step 4: Simplify right side
    375,054.41x = 105,053,785,528.59
  5. Step 5: Solve for x
    x = 105,053,785,528.59/375,054.41
  6. Step 6: Final answer
    x = 280,102.79

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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.