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Finding the Fourth Proportional to 329,924.58, 494,788.14 and 172,066.92

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Solution

The fourth proportional to 329,924.58, 494,788.14 and 172,066.92 is: 258,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,924.58 : 494,788.14 = 172,066.92 : x
  2. Step 2: Convert to fraction form
    329,924.58/494,788.14 = 172,066.92/x
  3. Step 3: Cross multiply
    329,924.58x = 494,788.14 × 172,066.92
  4. Step 4: Simplify right side
    329,924.58x = 85,136,671,302.33
  5. Step 5: Solve for x
    x = 85,136,671,302.33/329,924.58
  6. Step 6: Final answer
    x = 258,048.89

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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.