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Finding the Fourth Proportional to 314.01, 433.35 and 174.13

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Solution

The fourth proportional to 314.01, 433.35 and 174.13 is: 240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.01 : 433.35 = 174.13 : x
  2. Step 2: Convert to fraction form
    314.01/433.35 = 174.13/x
  3. Step 3: Cross multiply
    314.01x = 433.35 × 174.13
  4. Step 4: Simplify right side
    314.01x = 75,459.24
  5. Step 5: Solve for x
    x = 75,459.24/314.01
  6. Step 6: Final answer
    x = 240.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.