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Finding the Fourth Proportional to 259,221.67, 357,826.22 and 202,651.27

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Solution

The fourth proportional to 259,221.67, 357,826.22 and 202,651.27 is: 279,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221.67 : 357,826.22 = 202,651.27 : x
  2. Step 2: Convert to fraction form
    259,221.67/357,826.22 = 202,651.27/x
  3. Step 3: Cross multiply
    259,221.67x = 357,826.22 × 202,651.27
  4. Step 4: Simplify right side
    259,221.67x = 72,513,937,922.30
  5. Step 5: Solve for x
    x = 72,513,937,922.30/259,221.67
  6. Step 6: Final answer
    x = 279,737.18

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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.