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Finding the Fourth Proportional to 589.93, 884.92 and 157.09

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Solution

The fourth proportional to 589.93, 884.92 and 157.09 is: 235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.93 : 884.92 = 157.09 : x
  2. Step 2: Convert to fraction form
    589.93/884.92 = 157.09/x
  3. Step 3: Cross multiply
    589.93x = 884.92 × 157.09
  4. Step 4: Simplify right side
    589.93x = 139,009.48
  5. Step 5: Solve for x
    x = 139,009.48/589.93
  6. Step 6: Final answer
    x = 235.64

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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.