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Finding the Fourth Proportional to 334.54, 500.71 and 186.07

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Solution

The fourth proportional to 334.54, 500.71 and 186.07 is: 278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.54 : 500.71 = 186.07 : x
  2. Step 2: Convert to fraction form
    334.54/500.71 = 186.07/x
  3. Step 3: Cross multiply
    334.54x = 500.71 × 186.07
  4. Step 4: Simplify right side
    334.54x = 93,167.11
  5. Step 5: Solve for x
    x = 93,167.11/334.54
  6. Step 6: Final answer
    x = 278.49

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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.