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Finding the Fourth Proportional to 375,187.84, 517,765.76 and 231,944.32

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Solution

The fourth proportional to 375,187.84, 517,765.76 and 231,944.32 is: 320,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,187.84 : 517,765.76 = 231,944.32 : x
  2. Step 2: Convert to fraction form
    375,187.84/517,765.76 = 231,944.32/x
  3. Step 3: Cross multiply
    375,187.84x = 517,765.76 × 231,944.32
  4. Step 4: Simplify right side
    375,187.84x = 120,092,827,122.48
  5. Step 5: Solve for x
    x = 120,092,827,122.48/375,187.84
  6. Step 6: Final answer
    x = 320,087.21

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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.