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Finding the Fourth Proportional to 266,333.61, 367,539.97 and 145,474.90

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Solution

The fourth proportional to 266,333.61, 367,539.97 and 145,474.90 is: 200,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,333.61 : 367,539.97 = 145,474.90 : x
  2. Step 2: Convert to fraction form
    266,333.61/367,539.97 = 145,474.90/x
  3. Step 3: Cross multiply
    266,333.61x = 367,539.97 × 145,474.90
  4. Step 4: Simplify right side
    266,333.61x = 53,467,840,381.75
  5. Step 5: Solve for x
    x = 53,467,840,381.75/266,333.61
  6. Step 6: Final answer
    x = 200,755.14

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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.