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Finding the Fourth Proportional to 415,547.16, 624,446.28 and 226,147.56

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Solution

The fourth proportional to 415,547.16, 624,446.28 and 226,147.56 is: 339,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,547.16 : 624,446.28 = 226,147.56 : x
  2. Step 2: Convert to fraction form
    415,547.16/624,446.28 = 226,147.56/x
  3. Step 3: Cross multiply
    415,547.16x = 624,446.28 × 226,147.56
  4. Step 4: Simplify right side
    415,547.16x = 141,217,002,573.08
  5. Step 5: Solve for x
    x = 141,217,002,573.08/415,547.16
  6. Step 6: Final answer
    x = 339,833.88

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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.