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Finding the Fourth Proportional to 266,456.97, 367,699.01 and 145,592.55

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Solution

The fourth proportional to 266,456.97, 367,699.01 and 145,592.55 is: 200,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,456.97 : 367,699.01 = 145,592.55 : x
  2. Step 2: Convert to fraction form
    266,456.97/367,699.01 = 145,592.55/x
  3. Step 3: Cross multiply
    266,456.97x = 367,699.01 × 145,592.55
  4. Step 4: Simplify right side
    266,456.97x = 53,534,235,770.41
  5. Step 5: Solve for x
    x = 53,534,235,770.41/266,456.97
  6. Step 6: Final answer
    x = 200,911.37

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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.