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Finding the Fourth Proportional to 373, 559.74 and 180.64

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Solution

The fourth proportional to 373, 559.74 and 180.64 is: 271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373 : 559.74 = 180.64 : x
  2. Step 2: Convert to fraction form
    373/559.74 = 180.64/x
  3. Step 3: Cross multiply
    373x = 559.74 × 180.64
  4. Step 4: Simplify right side
    373x = 101,111.43
  5. Step 5: Solve for x
    x = 101,111.43/373
  6. Step 6: Final answer
    x = 271.08

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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.