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Finding the Fourth Proportional to 445,495.78, 614,812.17 and 244,291.78

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Solution

The fourth proportional to 445,495.78, 614,812.17 and 244,291.78 is: 337,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,495.78 : 614,812.17 = 244,291.78 : x
  2. Step 2: Convert to fraction form
    445,495.78/614,812.17 = 244,291.78/x
  3. Step 3: Cross multiply
    445,495.78x = 614,812.17 × 244,291.78
  4. Step 4: Simplify right side
    445,495.78x = 150,193,559,374.96
  5. Step 5: Solve for x
    x = 150,193,559,374.96/445,495.78
  6. Step 6: Final answer
    x = 337,138.01

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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.