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Finding the Fourth Proportional to 298,391.11, 447,582.22 and 73,751.53

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Solution

The fourth proportional to 298,391.11, 447,582.22 and 73,751.53 is: 110,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,391.11 : 447,582.22 = 73,751.53 : x
  2. Step 2: Convert to fraction form
    298,391.11/447,582.22 = 73,751.53/x
  3. Step 3: Cross multiply
    298,391.11x = 447,582.22 × 73,751.53
  4. Step 4: Simplify right side
    298,391.11x = 33,009,873,476.53
  5. Step 5: Solve for x
    x = 33,009,873,476.53/298,391.11
  6. Step 6: Final answer
    x = 110,626.20

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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.