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Finding the Fourth Proportional to 266,463.36, 367,714.99 and 145,601.86

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Solution

The fourth proportional to 266,463.36, 367,714.99 and 145,601.86 is: 200,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,463.36 : 367,714.99 = 145,601.86 : x
  2. Step 2: Convert to fraction form
    266,463.36/367,714.99 = 145,601.86/x
  3. Step 3: Cross multiply
    266,463.36x = 367,714.99 × 145,601.86
  4. Step 4: Simplify right side
    266,463.36x = 53,539,986,493.88
  5. Step 5: Solve for x
    x = 53,539,986,493.88/266,463.36
  6. Step 6: Final answer
    x = 200,928.14

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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.