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Finding the Fourth Proportional to 635,542.70, 953,301.69 and 256,453.38

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Solution

The fourth proportional to 635,542.70, 953,301.69 and 256,453.38 is: 384,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,542.70 : 953,301.69 = 256,453.38 : x
  2. Step 2: Convert to fraction form
    635,542.70/953,301.69 = 256,453.38/x
  3. Step 3: Cross multiply
    635,542.70x = 953,301.69 × 256,453.38
  4. Step 4: Simplify right side
    635,542.70x = 244,477,440,560.21
  5. Step 5: Solve for x
    x = 244,477,440,560.21/635,542.70
  6. Step 6: Final answer
    x = 384,675.09

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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.