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Finding the Fourth Proportional to 382,299.75, 527,015.97 and 267,220.01

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Solution

The fourth proportional to 382,299.75, 527,015.97 and 267,220.01 is: 368,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,299.75 : 527,015.97 = 267,220.01 : x
  2. Step 2: Convert to fraction form
    382,299.75/527,015.97 = 267,220.01/x
  3. Step 3: Cross multiply
    382,299.75x = 527,015.97 × 267,220.01
  4. Step 4: Simplify right side
    382,299.75x = 140,829,214,091.10
  5. Step 5: Solve for x
    x = 140,829,214,091.10/382,299.75
  6. Step 6: Final answer
    x = 368,373.81

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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.