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Finding the Fourth Proportional to 334.03, 501.28 and 117.61

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Solution

The fourth proportional to 334.03, 501.28 and 117.61 is: 176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.03 : 501.28 = 117.61 : x
  2. Step 2: Convert to fraction form
    334.03/501.28 = 117.61/x
  3. Step 3: Cross multiply
    334.03x = 501.28 × 117.61
  4. Step 4: Simplify right side
    334.03x = 58,955.54
  5. Step 5: Solve for x
    x = 58,955.54/334.03
  6. Step 6: Final answer
    x = 176.50

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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.