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Finding the Fourth Proportional to 373, 559.50 and 153.73

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Solution

The fourth proportional to 373, 559.50 and 153.73 is: 230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373 : 559.50 = 153.73 : x
  2. Step 2: Convert to fraction form
    373/559.50 = 153.73/x
  3. Step 3: Cross multiply
    373x = 559.50 × 153.73
  4. Step 4: Simplify right side
    373x = 86,011.94
  5. Step 5: Solve for x
    x = 86,011.94/373
  6. Step 6: Final answer
    x = 230.60

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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.