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Finding the Fourth Proportional to 356,651.33, 535,208.84 and 154,444.89

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Solution

The fourth proportional to 356,651.33, 535,208.84 and 154,444.89 is: 231,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,651.33 : 535,208.84 = 154,444.89 : x
  2. Step 2: Convert to fraction form
    356,651.33/535,208.84 = 154,444.89/x
  3. Step 3: Cross multiply
    356,651.33x = 535,208.84 × 154,444.89
  4. Step 4: Simplify right side
    356,651.33x = 82,660,269,648.60
  5. Step 5: Solve for x
    x = 82,660,269,648.60/356,651.33
  6. Step 6: Final answer
    x = 231,767.73

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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.