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Finding the Fourth Proportional to 473.20, 653.34 and 362.48

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Solution

The fourth proportional to 473.20, 653.34 and 362.48 is: 500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.20 : 653.34 = 362.48 : x
  2. Step 2: Convert to fraction form
    473.20/653.34 = 362.48/x
  3. Step 3: Cross multiply
    473.20x = 653.34 × 362.48
  4. Step 4: Simplify right side
    473.20x = 236,822.68
  5. Step 5: Solve for x
    x = 236,822.68/473.20
  6. Step 6: Final answer
    x = 500.47

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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.