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Finding the Fourth Proportional to 1,040.37, 1,435.68 and 598.29

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Solution

The fourth proportional to 1,040.37, 1,435.68 and 598.29 is: 825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.37 : 1,435.68 = 598.29 : x
  2. Step 2: Convert to fraction form
    1,040.37/1,435.68 = 598.29/x
  3. Step 3: Cross multiply
    1,040.37x = 1,435.68 × 598.29
  4. Step 4: Simplify right side
    1,040.37x = 858,952.99
  5. Step 5: Solve for x
    x = 858,952.99/1,040.37
  6. Step 6: Final answer
    x = 825.62

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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.