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Finding the Fourth Proportional to 581,204.80, 871,936.80 and 455,233.60

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Solution

The fourth proportional to 581,204.80, 871,936.80 and 455,233.60 is: 682,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,204.80 : 871,936.80 = 455,233.60 : x
  2. Step 2: Convert to fraction form
    581,204.80/871,936.80 = 455,233.60/x
  3. Step 3: Cross multiply
    581,204.80x = 871,936.80 × 455,233.60
  4. Step 4: Simplify right side
    581,204.80x = 396,934,928,436.48
  5. Step 5: Solve for x
    x = 396,934,928,436.48/581,204.80
  6. Step 6: Final answer
    x = 682,951.91

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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.