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Finding the Fourth Proportional to 590.59, 885.14 and 243.53

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Solution

The fourth proportional to 590.59, 885.14 and 243.53 is: 364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.59 : 885.14 = 243.53 : x
  2. Step 2: Convert to fraction form
    590.59/885.14 = 243.53/x
  3. Step 3: Cross multiply
    590.59x = 885.14 × 243.53
  4. Step 4: Simplify right side
    590.59x = 215,558.14
  5. Step 5: Solve for x
    x = 215,558.14/590.59
  6. Step 6: Final answer
    x = 364.99

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Why These Related Problems?

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