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Finding the Fourth Proportional to 575.86, 792.92 and 505.52

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Solution

The fourth proportional to 575.86, 792.92 and 505.52 is: 696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.86 : 792.92 = 505.52 : x
  2. Step 2: Convert to fraction form
    575.86/792.92 = 505.52/x
  3. Step 3: Cross multiply
    575.86x = 792.92 × 505.52
  4. Step 4: Simplify right side
    575.86x = 400,836.92
  5. Step 5: Solve for x
    x = 400,836.92/575.86
  6. Step 6: Final answer
    x = 696.07

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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.