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Finding the Fourth Proportional to 575.60, 794.26 and 497.04

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Solution

The fourth proportional to 575.60, 794.26 and 497.04 is: 685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.60 : 794.26 = 497.04 : x
  2. Step 2: Convert to fraction form
    575.60/794.26 = 497.04/x
  3. Step 3: Cross multiply
    575.60x = 794.26 × 497.04
  4. Step 4: Simplify right side
    575.60x = 394,778.99
  5. Step 5: Solve for x
    x = 394,778.99/575.60
  6. Step 6: Final answer
    x = 685.86

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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.