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Finding the Fourth Proportional to 266,358.39, 367,568.53 and 145,500.21

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Solution

The fourth proportional to 266,358.39, 367,568.53 and 145,500.21 is: 200,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,358.39 : 367,568.53 = 145,500.21 : x
  2. Step 2: Convert to fraction form
    266,358.39/367,568.53 = 145,500.21/x
  3. Step 3: Cross multiply
    266,358.39x = 367,568.53 × 145,500.21
  4. Step 4: Simplify right side
    266,358.39x = 53,481,298,304.39
  5. Step 5: Solve for x
    x = 53,481,298,304.39/266,358.39
  6. Step 6: Final answer
    x = 200,786.99

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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.