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Finding the Fourth Proportional to 283,812.22, 425,718.33 and 73,449.55

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Solution

The fourth proportional to 283,812.22, 425,718.33 and 73,449.55 is: 110,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,812.22 : 425,718.33 = 73,449.55 : x
  2. Step 2: Convert to fraction form
    283,812.22/425,718.33 = 73,449.55/x
  3. Step 3: Cross multiply
    283,812.22x = 425,718.33 × 73,449.55
  4. Step 4: Simplify right side
    283,812.22x = 31,268,819,765.25
  5. Step 5: Solve for x
    x = 31,268,819,765.25/283,812.22
  6. Step 6: Final answer
    x = 110,174.33

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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.