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Finding the Fourth Proportional to 272,402.56, 375,702.78 and 232,249.24

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Solution

The fourth proportional to 272,402.56, 375,702.78 and 232,249.24 is: 320,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,402.56 : 375,702.78 = 232,249.24 : x
  2. Step 2: Convert to fraction form
    272,402.56/375,702.78 = 232,249.24/x
  3. Step 3: Cross multiply
    272,402.56x = 375,702.78 × 232,249.24
  4. Step 4: Simplify right side
    272,402.56x = 87,256,685,120.89
  5. Step 5: Solve for x
    x = 87,256,685,120.89/272,402.56
  6. Step 6: Final answer
    x = 320,322.56

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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.