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Finding the Fourth Proportional to 272,249.28, 375,678.72 and 252,187.20

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Solution

The fourth proportional to 272,249.28, 375,678.72 and 252,187.20 is: 347,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,249.28 : 375,678.72 = 252,187.20 : x
  2. Step 2: Convert to fraction form
    272,249.28/375,678.72 = 252,187.20/x
  3. Step 3: Cross multiply
    272,249.28x = 375,678.72 × 252,187.20
  4. Step 4: Simplify right side
    272,249.28x = 94,741,364,496.38
  5. Step 5: Solve for x
    x = 94,741,364,496.38/272,249.28
  6. Step 6: Final answer
    x = 347,994.91

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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.