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Finding the Fourth Proportional to 550,449.68, 825,674.51 and 314,253.68

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Solution

The fourth proportional to 550,449.68, 825,674.51 and 314,253.68 is: 471,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,449.68 : 825,674.51 = 314,253.68 : x
  2. Step 2: Convert to fraction form
    550,449.68/825,674.51 = 314,253.68/x
  3. Step 3: Cross multiply
    550,449.68x = 825,674.51 × 314,253.68
  4. Step 4: Simplify right side
    550,449.68x = 259,471,249,906.96
  5. Step 5: Solve for x
    x = 259,471,249,906.96/550,449.68
  6. Step 6: Final answer
    x = 471,380.51

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Double scale
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Similar ratio
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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.