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Finding the Fourth Proportional to 356,770.98, 535,088.40 and 179,228.70

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Solution

The fourth proportional to 356,770.98, 535,088.40 and 179,228.70 is: 268,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,770.98 : 535,088.40 = 179,228.70 : x
  2. Step 2: Convert to fraction form
    356,770.98/535,088.40 = 179,228.70/x
  3. Step 3: Cross multiply
    356,770.98x = 535,088.40 × 179,228.70
  4. Step 4: Simplify right side
    356,770.98x = 95,903,198,317.08
  5. Step 5: Solve for x
    x = 95,903,198,317.08/356,770.98
  6. Step 6: Final answer
    x = 268,808.85

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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.