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Finding the Fourth Proportional to 373.24, 560.34 and 313.12

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Solution

The fourth proportional to 373.24, 560.34 and 313.12 is: 470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.24 : 560.34 = 313.12 : x
  2. Step 2: Convert to fraction form
    373.24/560.34 = 313.12/x
  3. Step 3: Cross multiply
    373.24x = 560.34 × 313.12
  4. Step 4: Simplify right side
    373.24x = 175,453.66
  5. Step 5: Solve for x
    x = 175,453.66/373.24
  6. Step 6: Final answer
    x = 470.08

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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.