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Finding the Fourth Proportional to 368.65, 552.84 and 173.74

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Solution

The fourth proportional to 368.65, 552.84 and 173.74 is: 260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.65 : 552.84 = 173.74 : x
  2. Step 2: Convert to fraction form
    368.65/552.84 = 173.74/x
  3. Step 3: Cross multiply
    368.65x = 552.84 × 173.74
  4. Step 4: Simplify right side
    368.65x = 96,050.42
  5. Step 5: Solve for x
    x = 96,050.42/368.65
  6. Step 6: Final answer
    x = 260.55

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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.