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Finding the Fourth Proportional to 254,357.28, 350,974.08 and 152,358.84

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Solution

The fourth proportional to 254,357.28, 350,974.08 and 152,358.84 is: 210,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,357.28 : 350,974.08 = 152,358.84 : x
  2. Step 2: Convert to fraction form
    254,357.28/350,974.08 = 152,358.84/x
  3. Step 3: Cross multiply
    254,357.28x = 350,974.08 × 152,358.84
  4. Step 4: Simplify right side
    254,357.28x = 53,474,003,698.87
  5. Step 5: Solve for x
    x = 53,474,003,698.87/254,357.28
  6. Step 6: Final answer
    x = 210,231.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.