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Finding the Fourth Proportional to 481,251.42, 664,118.85 and 266,386.86

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Solution

The fourth proportional to 481,251.42, 664,118.85 and 266,386.86 is: 367,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,251.42 : 664,118.85 = 266,386.86 : x
  2. Step 2: Convert to fraction form
    481,251.42/664,118.85 = 266,386.86/x
  3. Step 3: Cross multiply
    481,251.42x = 664,118.85 × 266,386.86
  4. Step 4: Simplify right side
    481,251.42x = 176,912,535,118.31
  5. Step 5: Solve for x
    x = 176,912,535,118.31/481,251.42
  6. Step 6: Final answer
    x = 367,609.38

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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.