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Finding the Fourth Proportional to 247,247.20, 370,870.80 and 163,047.70

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Solution

The fourth proportional to 247,247.20, 370,870.80 and 163,047.70 is: 244,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,247.20 : 370,870.80 = 163,047.70 : x
  2. Step 2: Convert to fraction form
    247,247.20/370,870.80 = 163,047.70/x
  3. Step 3: Cross multiply
    247,247.20x = 370,870.80 × 163,047.70
  4. Step 4: Simplify right side
    247,247.20x = 60,469,630,937.16
  5. Step 5: Solve for x
    x = 60,469,630,937.16/247,247.20
  6. Step 6: Final answer
    x = 244,571.55

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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.