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Finding the Fourth Proportional to 580,923.55, 871,122.88 and 206,956.27

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Solution

The fourth proportional to 580,923.55, 871,122.88 and 206,956.27 is: 310,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,923.55 : 871,122.88 = 206,956.27 : x
  2. Step 2: Convert to fraction form
    580,923.55/871,122.88 = 206,956.27/x
  3. Step 3: Cross multiply
    580,923.55x = 871,122.88 × 206,956.27
  4. Step 4: Simplify right side
    580,923.55x = 180,284,341,956.46
  5. Step 5: Solve for x
    x = 180,284,341,956.46/580,923.55
  6. Step 6: Final answer
    x = 310,340.91

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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.