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Finding the Fourth Proportional to 247,066.80, 370,600.20 and 223,447.20

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Solution

The fourth proportional to 247,066.80, 370,600.20 and 223,447.20 is: 335,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,066.80 : 370,600.20 = 223,447.20 : x
  2. Step 2: Convert to fraction form
    247,066.80/370,600.20 = 223,447.20/x
  3. Step 3: Cross multiply
    247,066.80x = 370,600.20 × 223,447.20
  4. Step 4: Simplify right side
    247,066.80x = 82,809,577,009.44
  5. Step 5: Solve for x
    x = 82,809,577,009.44/247,066.80
  6. Step 6: Final answer
    x = 335,170.80

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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.