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Finding the Fourth Proportional to 415,553.16, 624,455.28 and 226,153.56

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Solution

The fourth proportional to 415,553.16, 624,455.28 and 226,153.56 is: 339,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,553.16 : 624,455.28 = 226,153.56 : x
  2. Step 2: Convert to fraction form
    415,553.16/624,455.28 = 226,153.56/x
  3. Step 3: Cross multiply
    415,553.16x = 624,455.28 × 226,153.56
  4. Step 4: Simplify right side
    415,553.16x = 141,222,784,632.80
  5. Step 5: Solve for x
    x = 141,222,784,632.80/415,553.16
  6. Step 6: Final answer
    x = 339,842.88

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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.