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Finding the Fourth Proportional to 314.02, 433.33 and 174.13

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Solution

The fourth proportional to 314.02, 433.33 and 174.13 is: 240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.02 : 433.33 = 174.13 : x
  2. Step 2: Convert to fraction form
    314.02/433.33 = 174.13/x
  3. Step 3: Cross multiply
    314.02x = 433.33 × 174.13
  4. Step 4: Simplify right side
    314.02x = 75,457.65
  5. Step 5: Solve for x
    x = 75,457.65/314.02
  6. Step 6: Final answer
    x = 240.30

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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.