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Finding the Fourth Proportional to 574.16, 792.05 and 352.76

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Solution

The fourth proportional to 574.16, 792.05 and 352.76 is: 486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.16 : 792.05 = 352.76 : x
  2. Step 2: Convert to fraction form
    574.16/792.05 = 352.76/x
  3. Step 3: Cross multiply
    574.16x = 792.05 × 352.76
  4. Step 4: Simplify right side
    574.16x = 279,397.83
  5. Step 5: Solve for x
    x = 279,397.83/574.16
  6. Step 6: Final answer
    x = 486.62

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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.