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Finding the Fourth Proportional to 356,780.98, 535,103.34 and 179,238.70

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Solution

The fourth proportional to 356,780.98, 535,103.34 and 179,238.70 is: 268,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,780.98 : 535,103.34 = 179,238.70 : x
  2. Step 2: Convert to fraction form
    356,780.98/535,103.34 = 179,238.70/x
  3. Step 3: Cross multiply
    356,780.98x = 535,103.34 × 179,238.70
  4. Step 4: Simplify right side
    356,780.98x = 95,911,227,027.26
  5. Step 5: Solve for x
    x = 95,911,227,027.26/356,780.98
  6. Step 6: Final answer
    x = 268,823.82

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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.