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Finding the Fourth Proportional to 473.88, 654.94 and 357.24

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Solution

The fourth proportional to 473.88, 654.94 and 357.24 is: 493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.88 : 654.94 = 357.24 : x
  2. Step 2: Convert to fraction form
    473.88/654.94 = 357.24/x
  3. Step 3: Cross multiply
    473.88x = 654.94 × 357.24
  4. Step 4: Simplify right side
    473.88x = 233,970.77
  5. Step 5: Solve for x
    x = 233,970.77/473.88
  6. Step 6: Final answer
    x = 493.73

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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.