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Finding the Fourth Proportional to 259,220.67, 357,824.84 and 202,650.27

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Solution

The fourth proportional to 259,220.67, 357,824.84 and 202,650.27 is: 279,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,220.67 : 357,824.84 = 202,650.27 : x
  2. Step 2: Convert to fraction form
    259,220.67/357,824.84 = 202,650.27/x
  3. Step 3: Cross multiply
    259,220.67x = 357,824.84 × 202,650.27
  4. Step 4: Simplify right side
    259,220.67x = 72,513,300,438.71
  5. Step 5: Solve for x
    x = 72,513,300,438.71/259,220.67
  6. Step 6: Final answer
    x = 279,735.80

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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.