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Finding the Fourth Proportional to 266,027.51, 398,887.67 and 181,889.57

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Solution

The fourth proportional to 266,027.51, 398,887.67 and 181,889.57 is: 272,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,027.51 : 398,887.67 = 181,889.57 : x
  2. Step 2: Convert to fraction form
    266,027.51/398,887.67 = 181,889.57/x
  3. Step 3: Cross multiply
    266,027.51x = 398,887.67 × 181,889.57
  4. Step 4: Simplify right side
    266,027.51x = 72,553,508,226.55
  5. Step 5: Solve for x
    x = 72,553,508,226.55/266,027.51
  6. Step 6: Final answer
    x = 272,729.34

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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.