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Finding the Fourth Proportional to 342.57, 472.59 and 232.01

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Solution

The fourth proportional to 342.57, 472.59 and 232.01 is: 320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.57 : 472.59 = 232.01 : x
  2. Step 2: Convert to fraction form
    342.57/472.59 = 232.01/x
  3. Step 3: Cross multiply
    342.57x = 472.59 × 232.01
  4. Step 4: Simplify right side
    342.57x = 109,643.24
  5. Step 5: Solve for x
    x = 109,643.24/342.57
  6. Step 6: Final answer
    x = 320.06

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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.