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Finding the Fourth Proportional to 311,737.38, 467,661.15 and 101,338.26

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Solution

The fourth proportional to 311,737.38, 467,661.15 and 101,338.26 is: 152,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,737.38 : 467,661.15 = 101,338.26 : x
  2. Step 2: Convert to fraction form
    311,737.38/467,661.15 = 101,338.26/x
  3. Step 3: Cross multiply
    311,737.38x = 467,661.15 × 101,338.26
  4. Step 4: Simplify right side
    311,737.38x = 47,391,967,210.60
  5. Step 5: Solve for x
    x = 47,391,967,210.60/311,737.38
  6. Step 6: Final answer
    x = 152,025.30

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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.