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Finding the Fourth Proportional to 244,847.80, 366,983.70 and 139,766.20

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Solution

The fourth proportional to 244,847.80, 366,983.70 and 139,766.20 is: 209,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,847.80 : 366,983.70 = 139,766.20 : x
  2. Step 2: Convert to fraction form
    244,847.80/366,983.70 = 139,766.20/x
  3. Step 3: Cross multiply
    244,847.80x = 366,983.70 × 139,766.20
  4. Step 4: Simplify right side
    244,847.80x = 51,291,917,210.94
  5. Step 5: Solve for x
    x = 51,291,917,210.94/244,847.80
  6. Step 6: Final answer
    x = 209,484.90

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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.