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Finding the Fourth Proportional to 373,713.47, 515,724.44 and 203,947.60

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Solution

The fourth proportional to 373,713.47, 515,724.44 and 203,947.60 is: 281,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,713.47 : 515,724.44 = 203,947.60 : x
  2. Step 2: Convert to fraction form
    373,713.47/515,724.44 = 203,947.60/x
  3. Step 3: Cross multiply
    373,713.47x = 515,724.44 × 203,947.60
  4. Step 4: Simplify right side
    373,713.47x = 105,180,761,019.90
  5. Step 5: Solve for x
    x = 105,180,761,019.90/373,713.47
  6. Step 6: Final answer
    x = 281,447.60

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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.