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Finding the Fourth Proportional to 867.74, 1,299.56 and 593.00

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Solution

The fourth proportional to 867.74, 1,299.56 and 593.00 is: 888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.74 : 1,299.56 = 593.00 : x
  2. Step 2: Convert to fraction form
    867.74/1,299.56 = 593.00/x
  3. Step 3: Cross multiply
    867.74x = 1,299.56 × 593.00
  4. Step 4: Simplify right side
    867.74x = 770,631.67
  5. Step 5: Solve for x
    x = 770,631.67/867.74
  6. Step 6: Final answer
    x = 888.09

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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.