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Finding the Fourth Proportional to 555.88, 835.26 and 492.52

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Solution

The fourth proportional to 555.88, 835.26 and 492.52 is: 740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.88 : 835.26 = 492.52 : x
  2. Step 2: Convert to fraction form
    555.88/835.26 = 492.52/x
  3. Step 3: Cross multiply
    555.88x = 835.26 × 492.52
  4. Step 4: Simplify right side
    555.88x = 411,382.26
  5. Step 5: Solve for x
    x = 411,382.26/555.88
  6. Step 6: Final answer
    x = 740.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.