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Finding the Fourth Proportional to 254,449.60, 381,674.40 and 183,947.20

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Solution

The fourth proportional to 254,449.60, 381,674.40 and 183,947.20 is: 275,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,449.60 : 381,674.40 = 183,947.20 : x
  2. Step 2: Convert to fraction form
    254,449.60/381,674.40 = 183,947.20/x
  3. Step 3: Cross multiply
    254,449.60x = 381,674.40 × 183,947.20
  4. Step 4: Simplify right side
    254,449.60x = 70,207,937,191.68
  5. Step 5: Solve for x
    x = 70,207,937,191.68/254,449.60
  6. Step 6: Final answer
    x = 275,920.80

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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.