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Finding the Fourth Proportional to 537,859.82, 806,601.66 and 158,679.89

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Solution

The fourth proportional to 537,859.82, 806,601.66 and 158,679.89 is: 237,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,859.82 : 806,601.66 = 158,679.89 : x
  2. Step 2: Convert to fraction form
    537,859.82/806,601.66 = 158,679.89/x
  3. Step 3: Cross multiply
    537,859.82x = 806,601.66 × 158,679.89
  4. Step 4: Simplify right side
    537,859.82x = 127,991,462,682.62
  5. Step 5: Solve for x
    x = 127,991,462,682.62/537,859.82
  6. Step 6: Final answer
    x = 237,964.35

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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.