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Finding the Fourth Proportional to 1,046.31, 1,443.90 and 598.22

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Solution

The fourth proportional to 1,046.31, 1,443.90 and 598.22 is: 825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.31 : 1,443.90 = 598.22 : x
  2. Step 2: Convert to fraction form
    1,046.31/1,443.90 = 598.22/x
  3. Step 3: Cross multiply
    1,046.31x = 1,443.90 × 598.22
  4. Step 4: Simplify right side
    1,046.31x = 863,762.64
  5. Step 5: Solve for x
    x = 863,762.64/1,046.31
  6. Step 6: Final answer
    x = 825.53

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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.