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Finding the Fourth Proportional to 247,337.60, 371,211.20 and 114,422.40

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Solution

The fourth proportional to 247,337.60, 371,211.20 and 114,422.40 is: 171,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,337.60 : 371,211.20 = 114,422.40 : x
  2. Step 2: Convert to fraction form
    247,337.60/371,211.20 = 114,422.40/x
  3. Step 3: Cross multiply
    247,337.60x = 371,211.20 × 114,422.40
  4. Step 4: Simplify right side
    247,337.60x = 42,474,876,410.88
  5. Step 5: Solve for x
    x = 42,474,876,410.88/247,337.60
  6. Step 6: Final answer
    x = 171,728.34

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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.