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Finding the Fourth Proportional to 473.28, 713.04 and 360

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Solution

The fourth proportional to 473.28, 713.04 and 360 is: 542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.28 : 713.04 = 360 : x
  2. Step 2: Convert to fraction form
    473.28/713.04 = 360/x
  3. Step 3: Cross multiply
    473.28x = 713.04 × 360
  4. Step 4: Simplify right side
    473.28x = 256,694.40
  5. Step 5: Solve for x
    x = 256,694.40/473.28
  6. Step 6: Final answer
    x = 542.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.