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Finding the Fourth Proportional to 299,337.63, 448,768.04 and 172,834.38

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Solution

The fourth proportional to 299,337.63, 448,768.04 and 172,834.38 is: 259,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,337.63 : 448,768.04 = 172,834.38 : x
  2. Step 2: Convert to fraction form
    299,337.63/448,768.04 = 172,834.38/x
  3. Step 3: Cross multiply
    299,337.63x = 448,768.04 × 172,834.38
  4. Step 4: Simplify right side
    299,337.63x = 77,562,545,093.04
  5. Step 5: Solve for x
    x = 77,562,545,093.04/299,337.63
  6. Step 6: Final answer
    x = 259,113.91

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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.