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Finding the Fourth Proportional to 335.84, 503.58 and 116.40

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Solution

The fourth proportional to 335.84, 503.58 and 116.40 is: 174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.84 : 503.58 = 116.40 : x
  2. Step 2: Convert to fraction form
    335.84/503.58 = 116.40/x
  3. Step 3: Cross multiply
    335.84x = 503.58 × 116.40
  4. Step 4: Simplify right side
    335.84x = 58,616.71
  5. Step 5: Solve for x
    x = 58,616.71/335.84
  6. Step 6: Final answer
    x = 174.54

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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.