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Finding the Fourth Proportional to 591.63, 881 and 585.16

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Solution

The fourth proportional to 591.63, 881 and 585.16 is: 871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.63 : 881 = 585.16 : x
  2. Step 2: Convert to fraction form
    591.63/881 = 585.16/x
  3. Step 3: Cross multiply
    591.63x = 881 × 585.16
  4. Step 4: Simplify right side
    591.63x = 515,525.96
  5. Step 5: Solve for x
    x = 515,525.96/591.63
  6. Step 6: Final answer
    x = 871.37

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Half scale
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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.