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Finding the Fourth Proportional to 635,414.62, 953,306.40 and 256,139.62

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Solution

The fourth proportional to 635,414.62, 953,306.40 and 256,139.62 is: 384,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,414.62 : 953,306.40 = 256,139.62 : x
  2. Step 2: Convert to fraction form
    635,414.62/953,306.40 = 256,139.62/x
  3. Step 3: Cross multiply
    635,414.62x = 953,306.40 × 256,139.62
  4. Step 4: Simplify right side
    635,414.62x = 244,179,539,039.57
  5. Step 5: Solve for x
    x = 244,179,539,039.57/635,414.62
  6. Step 6: Final answer
    x = 384,283.79

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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.