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Finding the Fourth Proportional to 175,998.40, 263,690.40 and 151,422.40

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Solution

The fourth proportional to 175,998.40, 263,690.40 and 151,422.40 is: 226,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,998.40 : 263,690.40 = 151,422.40 : x
  2. Step 2: Convert to fraction form
    175,998.40/263,690.40 = 151,422.40/x
  3. Step 3: Cross multiply
    175,998.40x = 263,690.40 × 151,422.40
  4. Step 4: Simplify right side
    175,998.40x = 39,928,633,224.96
  5. Step 5: Solve for x
    x = 39,928,633,224.96/175,998.40
  6. Step 6: Final answer
    x = 226,869.30

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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.