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Finding the Fourth Proportional to 299,352.71, 448,790.63 and 172,849.34

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Solution

The fourth proportional to 299,352.71, 448,790.63 and 172,849.34 is: 259,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,352.71 : 448,790.63 = 172,849.34 : x
  2. Step 2: Convert to fraction form
    299,352.71/448,790.63 = 172,849.34/x
  3. Step 3: Cross multiply
    299,352.71x = 448,790.63 × 172,849.34
  4. Step 4: Simplify right side
    299,352.71x = 77,573,164,451.41
  5. Step 5: Solve for x
    x = 77,573,164,451.41/299,352.71
  6. Step 6: Final answer
    x = 259,136.33

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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.