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Finding the Fourth Proportional to 581,201.80, 871,932.30 and 455,230.60

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Solution

The fourth proportional to 581,201.80, 871,932.30 and 455,230.60 is: 682,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,201.80 : 871,932.30 = 455,230.60 : x
  2. Step 2: Convert to fraction form
    581,201.80/871,932.30 = 455,230.60/x
  3. Step 3: Cross multiply
    581,201.80x = 871,932.30 × 455,230.60
  4. Step 4: Simplify right side
    581,201.80x = 396,930,264,088.38
  5. Step 5: Solve for x
    x = 396,930,264,088.38/581,201.80
  6. Step 6: Final answer
    x = 682,947.41

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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.