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Finding the Fourth Proportional to 655.26, 904.23 and 360.54

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Solution

The fourth proportional to 655.26, 904.23 and 360.54 is: 497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.26 : 904.23 = 360.54 : x
  2. Step 2: Convert to fraction form
    655.26/904.23 = 360.54/x
  3. Step 3: Cross multiply
    655.26x = 904.23 × 360.54
  4. Step 4: Simplify right side
    655.26x = 326,011.08
  5. Step 5: Solve for x
    x = 326,011.08/655.26
  6. Step 6: Final answer
    x = 497.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.