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Finding the Fourth Proportional to 445,430.56, 614,549.52 and 251,819.56

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Solution

The fourth proportional to 445,430.56, 614,549.52 and 251,819.56 is: 347,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,430.56 : 614,549.52 = 251,819.56 : x
  2. Step 2: Convert to fraction form
    445,430.56/614,549.52 = 251,819.56/x
  3. Step 3: Cross multiply
    445,430.56x = 614,549.52 × 251,819.56
  4. Step 4: Simplify right side
    445,430.56x = 154,755,589,724.61
  5. Step 5: Solve for x
    x = 154,755,589,724.61/445,430.56
  6. Step 6: Final answer
    x = 347,429.21

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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.