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Finding the Fourth Proportional to 427,823.32, 590,796.24 and 275,126.68

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Solution

The fourth proportional to 427,823.32, 590,796.24 and 275,126.68 is: 379,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,823.32 : 590,796.24 = 275,126.68 : x
  2. Step 2: Convert to fraction form
    427,823.32/590,796.24 = 275,126.68/x
  3. Step 3: Cross multiply
    427,823.32x = 590,796.24 × 275,126.68
  4. Step 4: Simplify right side
    427,823.32x = 162,543,808,067.68
  5. Step 5: Solve for x
    x = 162,543,808,067.68/427,823.32
  6. Step 6: Final answer
    x = 379,932.09

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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.