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Finding the Fourth Proportional to 424,216.78, 585,607.86 and 252,190.43

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Solution

The fourth proportional to 424,216.78, 585,607.86 and 252,190.43 is: 348,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,216.78 : 585,607.86 = 252,190.43 : x
  2. Step 2: Convert to fraction form
    424,216.78/585,607.86 = 252,190.43/x
  3. Step 3: Cross multiply
    424,216.78x = 585,607.86 × 252,190.43
  4. Step 4: Simplify right side
    424,216.78x = 147,684,698,024.78
  5. Step 5: Solve for x
    x = 147,684,698,024.78/424,216.78
  6. Step 6: Final answer
    x = 348,134.97

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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.