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Finding the Fourth Proportional to 356,991.30, 535,348.04 and 179,374.50

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Solution

The fourth proportional to 356,991.30, 535,348.04 and 179,374.50 is: 268,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,991.30 : 535,348.04 = 179,374.50 : x
  2. Step 2: Convert to fraction form
    356,991.30/535,348.04 = 179,374.50/x
  3. Step 3: Cross multiply
    356,991.30x = 535,348.04 × 179,374.50
  4. Step 4: Simplify right side
    356,991.30x = 96,027,786,104.11
  5. Step 5: Solve for x
    x = 96,027,786,104.11/356,991.30
  6. Step 6: Final answer
    x = 268,991.95

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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.