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Finding the Fourth Proportional to 591.50, 887.56 and 360.25

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Solution

The fourth proportional to 591.50, 887.56 and 360.25 is: 540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.50 : 887.56 = 360.25 : x
  2. Step 2: Convert to fraction form
    591.50/887.56 = 360.25/x
  3. Step 3: Cross multiply
    591.50x = 887.56 × 360.25
  4. Step 4: Simplify right side
    591.50x = 319,740.37
  5. Step 5: Solve for x
    x = 319,740.37/591.50
  6. Step 6: Final answer
    x = 540.56

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Double scale
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Similar ratio
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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.