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Finding the Fourth Proportional to 247,333.40, 371,014.46 and 69,825.55

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Solution

The fourth proportional to 247,333.40, 371,014.46 and 69,825.55 is: 104,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,333.40 : 371,014.46 = 69,825.55 : x
  2. Step 2: Convert to fraction form
    247,333.40/371,014.46 = 69,825.55/x
  3. Step 3: Cross multiply
    247,333.40x = 371,014.46 × 69,825.55
  4. Step 4: Simplify right side
    247,333.40x = 25,906,288,727.45
  5. Step 5: Solve for x
    x = 25,906,288,727.45/247,333.40
  6. Step 6: Final answer
    x = 104,742.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.