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Finding the Fourth Proportional to 301,220.39, 451,823.13 and 73,517.69

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Solution

The fourth proportional to 301,220.39, 451,823.13 and 73,517.69 is: 110,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,220.39 : 451,823.13 = 73,517.69 : x
  2. Step 2: Convert to fraction form
    301,220.39/451,823.13 = 73,517.69/x
  3. Step 3: Cross multiply
    301,220.39x = 451,823.13 × 73,517.69
  4. Step 4: Simplify right side
    301,220.39x = 33,216,993,935.73
  5. Step 5: Solve for x
    x = 33,216,993,935.73/301,220.39
  6. Step 6: Final answer
    x = 110,274.72

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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.