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Finding the Fourth Proportional to 266,250.24, 399,637.80 and 161,274.24

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Solution

The fourth proportional to 266,250.24, 399,637.80 and 161,274.24 is: 242,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,250.24 : 399,637.80 = 161,274.24 : x
  2. Step 2: Convert to fraction form
    266,250.24/399,637.80 = 161,274.24/x
  3. Step 3: Cross multiply
    266,250.24x = 399,637.80 × 161,274.24
  4. Step 4: Simplify right side
    266,250.24x = 64,451,282,470.27
  5. Step 5: Solve for x
    x = 64,451,282,470.27/266,250.24
  6. Step 6: Final answer
    x = 242,070.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.