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Finding the Fourth Proportional to 225,700.56, 338,561.64 and 186,184.44

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Solution

The fourth proportional to 225,700.56, 338,561.64 and 186,184.44 is: 279,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,700.56 : 338,561.64 = 186,184.44 : x
  2. Step 2: Convert to fraction form
    225,700.56/338,561.64 = 186,184.44/x
  3. Step 3: Cross multiply
    225,700.56x = 338,561.64 × 186,184.44
  4. Step 4: Simplify right side
    225,700.56x = 63,034,909,348.88
  5. Step 5: Solve for x
    x = 63,034,909,348.88/225,700.56
  6. Step 6: Final answer
    x = 279,285.57

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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.