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Finding the Fourth Proportional to 794.78, 1,188.62 and 597.27

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Solution

The fourth proportional to 794.78, 1,188.62 and 597.27 is: 893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.78 : 1,188.62 = 597.27 : x
  2. Step 2: Convert to fraction form
    794.78/1,188.62 = 597.27/x
  3. Step 3: Cross multiply
    794.78x = 1,188.62 × 597.27
  4. Step 4: Simplify right side
    794.78x = 709,927.07
  5. Step 5: Solve for x
    x = 709,927.07/794.78
  6. Step 6: Final answer
    x = 893.24

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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.