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Finding the Fourth Proportional to 266,352.70, 367,550.77 and 145,469.92

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Solution

The fourth proportional to 266,352.70, 367,550.77 and 145,469.92 is: 200,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,352.70 : 367,550.77 = 145,469.92 : x
  2. Step 2: Convert to fraction form
    266,352.70/367,550.77 = 145,469.92/x
  3. Step 3: Cross multiply
    266,352.70x = 367,550.77 × 145,469.92
  4. Step 4: Simplify right side
    266,352.70x = 53,467,578,542.74
  5. Step 5: Solve for x
    x = 53,467,578,542.74/266,352.70
  6. Step 6: Final answer
    x = 200,739.77

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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.