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Finding the Fourth Proportional to 439,755.48, 659,501.28 and 187,034.04

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Solution

The fourth proportional to 439,755.48, 659,501.28 and 187,034.04 is: 280,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,755.48 : 659,501.28 = 187,034.04 : x
  2. Step 2: Convert to fraction form
    439,755.48/659,501.28 = 187,034.04/x
  3. Step 3: Cross multiply
    439,755.48x = 659,501.28 × 187,034.04
  4. Step 4: Simplify right side
    439,755.48x = 123,349,188,783.57
  5. Step 5: Solve for x
    x = 123,349,188,783.57/439,755.48
  6. Step 6: Final answer
    x = 280,494.94

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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.