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Finding the Fourth Proportional to 367,415.32, 550,872.40 and 187,057.48

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Solution

The fourth proportional to 367,415.32, 550,872.40 and 187,057.48 is: 280,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415.32 : 550,872.40 = 187,057.48 : x
  2. Step 2: Convert to fraction form
    367,415.32/550,872.40 = 187,057.48/x
  3. Step 3: Cross multiply
    367,415.32x = 550,872.40 × 187,057.48
  4. Step 4: Simplify right side
    367,415.32x = 103,044,802,945.55
  5. Step 5: Solve for x
    x = 103,044,802,945.55/367,415.32
  6. Step 6: Final answer
    x = 280,458.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.