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Finding the Fourth Proportional to 746.00, 1,031.79 and 590.18

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Solution

The fourth proportional to 746.00, 1,031.79 and 590.18 is: 816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.00 : 1,031.79 = 590.18 : x
  2. Step 2: Convert to fraction form
    746.00/1,031.79 = 590.18/x
  3. Step 3: Cross multiply
    746.00x = 1,031.79 × 590.18
  4. Step 4: Simplify right side
    746.00x = 608,936.66
  5. Step 5: Solve for x
    x = 608,936.66/746.00
  6. Step 6: Final answer
    x = 816.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.