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Finding the Fourth Proportional to 458,940.70, 633,352.26 and 277,685.92

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Solution

The fourth proportional to 458,940.70, 633,352.26 and 277,685.92 is: 383,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,940.70 : 633,352.26 = 277,685.92 : x
  2. Step 2: Convert to fraction form
    458,940.70/633,352.26 = 277,685.92/x
  3. Step 3: Cross multiply
    458,940.70x = 633,352.26 × 277,685.92
  4. Step 4: Simplify right side
    458,940.70x = 175,873,005,002.18
  5. Step 5: Solve for x
    x = 175,873,005,002.18/458,940.70
  6. Step 6: Final answer
    x = 383,215.10

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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.