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Finding the Fourth Proportional to 438,481.97, 605,100.53 and 247,503.41

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Solution

The fourth proportional to 438,481.97, 605,100.53 and 247,503.41 is: 341,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,481.97 : 605,100.53 = 247,503.41 : x
  2. Step 2: Convert to fraction form
    438,481.97/605,100.53 = 247,503.41/x
  3. Step 3: Cross multiply
    438,481.97x = 605,100.53 × 247,503.41
  4. Step 4: Simplify right side
    438,481.97x = 149,764,440,304.79
  5. Step 5: Solve for x
    x = 149,764,440,304.79/438,481.97
  6. Step 6: Final answer
    x = 341,552.11

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1.5x scale

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.