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Finding the Fourth Proportional to 590.37, 885.33 and 243.53

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Solution

The fourth proportional to 590.37, 885.33 and 243.53 is: 365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.37 : 885.33 = 243.53 : x
  2. Step 2: Convert to fraction form
    590.37/885.33 = 243.53/x
  3. Step 3: Cross multiply
    590.37x = 885.33 × 243.53
  4. Step 4: Simplify right side
    590.37x = 215,599.99
  5. Step 5: Solve for x
    x = 215,599.99/590.37
  6. Step 6: Final answer
    x = 365.19

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1.5x scale

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.