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Finding the Fourth Proportional to 375,054.62, 517,577.03 and 202,972.61

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Solution

The fourth proportional to 375,054.62, 517,577.03 and 202,972.61 is: 280,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,054.62 : 517,577.03 = 202,972.61 : x
  2. Step 2: Convert to fraction form
    375,054.62/517,577.03 = 202,972.61/x
  3. Step 3: Cross multiply
    375,054.62x = 517,577.03 × 202,972.61
  4. Step 4: Simplify right side
    375,054.62x = 105,053,960,655.15
  5. Step 5: Solve for x
    x = 105,053,960,655.15/375,054.62
  6. Step 6: Final answer
    x = 280,103.10

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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.