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Finding the Fourth Proportional to 422,833.50, 583,816.41 and 272,192.94

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Solution

The fourth proportional to 422,833.50, 583,816.41 and 272,192.94 is: 375,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,833.50 : 583,816.41 = 272,192.94 : x
  2. Step 2: Convert to fraction form
    422,833.50/583,816.41 = 272,192.94/x
  3. Step 3: Cross multiply
    422,833.50x = 583,816.41 × 272,192.94
  4. Step 4: Simplify right side
    422,833.50x = 158,910,705,058.15
  5. Step 5: Solve for x
    x = 158,910,705,058.15/422,833.50
  6. Step 6: Final answer
    x = 375,823.36

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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.