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Finding the Fourth Proportional to 798.01, 1,101.24 and 483.31

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Solution

The fourth proportional to 798.01, 1,101.24 and 483.31 is: 666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.01 : 1,101.24 = 483.31 : x
  2. Step 2: Convert to fraction form
    798.01/1,101.24 = 483.31/x
  3. Step 3: Cross multiply
    798.01x = 1,101.24 × 483.31
  4. Step 4: Simplify right side
    798.01x = 532,240.30
  5. Step 5: Solve for x
    x = 532,240.30/798.01
  6. Step 6: Final answer
    x = 666.96

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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.