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Finding the Fourth Proportional to 302,894.65, 418,014.35 and 173,874.89

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Solution

The fourth proportional to 302,894.65, 418,014.35 and 173,874.89 is: 239,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,894.65 : 418,014.35 = 173,874.89 : x
  2. Step 2: Convert to fraction form
    302,894.65/418,014.35 = 173,874.89/x
  3. Step 3: Cross multiply
    302,894.65x = 418,014.35 × 173,874.89
  4. Step 4: Simplify right side
    302,894.65x = 72,682,199,300.33
  5. Step 5: Solve for x
    x = 72,682,199,300.33/302,894.65
  6. Step 6: Final answer
    x = 239,958.68

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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.