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Finding the Fourth Proportional to 590.90, 886.55 and 547.16

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Solution

The fourth proportional to 590.90, 886.55 and 547.16 is: 820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.90 : 886.55 = 547.16 : x
  2. Step 2: Convert to fraction form
    590.90/886.55 = 547.16/x
  3. Step 3: Cross multiply
    590.90x = 886.55 × 547.16
  4. Step 4: Simplify right side
    590.90x = 485,077.53
  5. Step 5: Solve for x
    x = 485,077.53/590.90
  6. Step 6: Final answer
    x = 820.92

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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.