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Finding the Fourth Proportional to 298,392.25, 447,583.96 and 73,752.70

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Solution

The fourth proportional to 298,392.25, 447,583.96 and 73,752.70 is: 110,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,392.25 : 447,583.96 = 73,752.70 : x
  2. Step 2: Convert to fraction form
    298,392.25/447,583.96 = 73,752.70/x
  3. Step 3: Cross multiply
    298,392.25x = 447,583.96 × 73,752.70
  4. Step 4: Simplify right side
    298,392.25x = 33,010,525,526.69
  5. Step 5: Solve for x
    x = 33,010,525,526.69/298,392.25
  6. Step 6: Final answer
    x = 110,627.96

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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.