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Finding the Fourth Proportional to 486,369.65, 671,257.58 and 271,523.63

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Solution

The fourth proportional to 486,369.65, 671,257.58 and 271,523.63 is: 374,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,369.65 : 671,257.58 = 271,523.63 : x
  2. Step 2: Convert to fraction form
    486,369.65/671,257.58 = 271,523.63/x
  3. Step 3: Cross multiply
    486,369.65x = 671,257.58 × 271,523.63
  4. Step 4: Simplify right side
    486,369.65x = 182,262,290,072.71
  5. Step 5: Solve for x
    x = 182,262,290,072.71/486,369.65
  6. Step 6: Final answer
    x = 374,740.27

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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.