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Finding the Fourth Proportional to 604.17, 832.92 and 471

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Solution

The fourth proportional to 604.17, 832.92 and 471 is: 649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.17 : 832.92 = 471 : x
  2. Step 2: Convert to fraction form
    604.17/832.92 = 471/x
  3. Step 3: Cross multiply
    604.17x = 832.92 × 471
  4. Step 4: Simplify right side
    604.17x = 392,305.32
  5. Step 5: Solve for x
    x = 392,305.32/604.17
  6. Step 6: Final answer
    x = 649.33

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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.