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Finding the Fourth Proportional to 533,851.05, 736,728.90 and 327,115.85

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Solution

The fourth proportional to 533,851.05, 736,728.90 and 327,115.85 is: 451,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,851.05 : 736,728.90 = 327,115.85 : x
  2. Step 2: Convert to fraction form
    533,851.05/736,728.90 = 327,115.85/x
  3. Step 3: Cross multiply
    533,851.05x = 736,728.90 × 327,115.85
  4. Step 4: Simplify right side
    533,851.05x = 240,995,700,343.07
  5. Step 5: Solve for x
    x = 240,995,700,343.07/533,851.05
  6. Step 6: Final answer
    x = 451,428.73

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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.