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Finding the Fourth Proportional to 356,456.50, 533,876.91 and 250,315.92

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Solution

The fourth proportional to 356,456.50, 533,876.91 and 250,315.92 is: 374,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,456.50 : 533,876.91 = 250,315.92 : x
  2. Step 2: Convert to fraction form
    356,456.50/533,876.91 = 250,315.92/x
  3. Step 3: Cross multiply
    356,456.50x = 533,876.91 × 250,315.92
  4. Step 4: Simplify right side
    356,456.50x = 133,637,888,954.72
  5. Step 5: Solve for x
    x = 133,637,888,954.72/356,456.50
  6. Step 6: Final answer
    x = 374,906.59

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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.