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Finding the Fourth Proportional to 266,768.53, 399,708.48 and 187,716.67

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Solution

The fourth proportional to 266,768.53, 399,708.48 and 187,716.67 is: 281,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,768.53 : 399,708.48 = 187,716.67 : x
  2. Step 2: Convert to fraction form
    266,768.53/399,708.48 = 187,716.67/x
  3. Step 3: Cross multiply
    266,768.53x = 399,708.48 × 187,716.67
  4. Step 4: Simplify right side
    266,768.53x = 75,031,944,836.36
  5. Step 5: Solve for x
    x = 75,031,944,836.36/266,768.53
  6. Step 6: Final answer
    x = 281,262.35

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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.