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Finding the Fourth Proportional to 451,095.78, 622,512.16 and 247,154.44

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Solution

The fourth proportional to 451,095.78, 622,512.16 and 247,154.44 is: 341,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,095.78 : 622,512.16 = 247,154.44 : x
  2. Step 2: Convert to fraction form
    451,095.78/622,512.16 = 247,154.44/x
  3. Step 3: Cross multiply
    451,095.78x = 622,512.16 × 247,154.44
  4. Step 4: Simplify right side
    451,095.78x = 153,856,642,741.71
  5. Step 5: Solve for x
    x = 153,856,642,741.71/451,095.78
  6. Step 6: Final answer
    x = 341,073.11

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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.