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Finding the Fourth Proportional to 427,758.75, 590,438.48 and 246,591.78

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Solution

The fourth proportional to 427,758.75, 590,438.48 and 246,591.78 is: 340,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,758.75 : 590,438.48 = 246,591.78 : x
  2. Step 2: Convert to fraction form
    427,758.75/590,438.48 = 246,591.78/x
  3. Step 3: Cross multiply
    427,758.75x = 590,438.48 × 246,591.78
  4. Step 4: Simplify right side
    427,758.75x = 145,597,274,530.74
  5. Step 5: Solve for x
    x = 145,597,274,530.74/427,758.75
  6. Step 6: Final answer
    x = 340,372.41

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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.