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Finding the Fourth Proportional to 299,246.94, 448,865.55 and 141,588.54

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Solution

The fourth proportional to 299,246.94, 448,865.55 and 141,588.54 is: 212,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,246.94 : 448,865.55 = 141,588.54 : x
  2. Step 2: Convert to fraction form
    299,246.94/448,865.55 = 141,588.54/x
  3. Step 3: Cross multiply
    299,246.94x = 448,865.55 × 141,588.54
  4. Step 4: Simplify right side
    299,246.94x = 63,554,217,880.80
  5. Step 5: Solve for x
    x = 63,554,217,880.80/299,246.94
  6. Step 6: Final answer
    x = 212,380.51

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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.