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Finding the Fourth Proportional to 217,358.64, 300,008.28 and 132,522.48

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Solution

The fourth proportional to 217,358.64, 300,008.28 and 132,522.48 is: 182,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,358.64 : 300,008.28 = 132,522.48 : x
  2. Step 2: Convert to fraction form
    217,358.64/300,008.28 = 132,522.48/x
  3. Step 3: Cross multiply
    217,358.64x = 300,008.28 × 132,522.48
  4. Step 4: Simplify right side
    217,358.64x = 39,757,841,286.13
  5. Step 5: Solve for x
    x = 39,757,841,286.13/217,358.64
  6. Step 6: Final answer
    x = 182,913.55

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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.