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Finding the Fourth Proportional to 309,816.28, 464,773.14 and 132,324.28

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Solution

The fourth proportional to 309,816.28, 464,773.14 and 132,324.28 is: 198,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,816.28 : 464,773.14 = 132,324.28 : x
  2. Step 2: Convert to fraction form
    309,816.28/464,773.14 = 132,324.28/x
  3. Step 3: Cross multiply
    309,816.28x = 464,773.14 × 132,324.28
  4. Step 4: Simplify right side
    309,816.28x = 61,500,771,113.84
  5. Step 5: Solve for x
    x = 61,500,771,113.84/309,816.28
  6. Step 6: Final answer
    x = 198,507.23

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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.