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Finding the Fourth Proportional to 324,307.50, 447,696.04 and 188,314.96

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Solution

The fourth proportional to 324,307.50, 447,696.04 and 188,314.96 is: 259,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,307.50 : 447,696.04 = 188,314.96 : x
  2. Step 2: Convert to fraction form
    324,307.50/447,696.04 = 188,314.96/x
  3. Step 3: Cross multiply
    324,307.50x = 447,696.04 × 188,314.96
  4. Step 4: Simplify right side
    324,307.50x = 84,307,861,864.76
  5. Step 5: Solve for x
    x = 84,307,861,864.76/324,307.50
  6. Step 6: Final answer
    x = 259,962.73

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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.