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Finding the Fourth Proportional to 344,266.72, 474,955.68 and 253,837.60

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Solution

The fourth proportional to 344,266.72, 474,955.68 and 253,837.60 is: 350,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,266.72 : 474,955.68 = 253,837.60 : x
  2. Step 2: Convert to fraction form
    344,266.72/474,955.68 = 253,837.60/x
  3. Step 3: Cross multiply
    344,266.72x = 474,955.68 × 253,837.60
  4. Step 4: Simplify right side
    344,266.72x = 120,561,609,917.57
  5. Step 5: Solve for x
    x = 120,561,609,917.57/344,266.72
  6. Step 6: Final answer
    x = 350,198.27

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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.