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Finding the Fourth Proportional to 319,744.99, 441,247.65 and 176,504.69

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Solution

The fourth proportional to 319,744.99, 441,247.65 and 176,504.69 is: 243,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,744.99 : 441,247.65 = 176,504.69 : x
  2. Step 2: Convert to fraction form
    319,744.99/441,247.65 = 176,504.69/x
  3. Step 3: Cross multiply
    319,744.99x = 441,247.65 × 176,504.69
  4. Step 4: Simplify right side
    319,744.99x = 77,882,278,628.53
  5. Step 5: Solve for x
    x = 77,882,278,628.53/319,744.99
  6. Step 6: Final answer
    x = 243,576.23

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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.