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Finding the Fourth Proportional to 1,039.91, 1,435.16 and 597.96

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Solution

The fourth proportional to 1,039.91, 1,435.16 and 597.96 is: 825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.91 : 1,435.16 = 597.96 : x
  2. Step 2: Convert to fraction form
    1,039.91/1,435.16 = 597.96/x
  3. Step 3: Cross multiply
    1,039.91x = 1,435.16 × 597.96
  4. Step 4: Simplify right side
    1,039.91x = 858,161.10
  5. Step 5: Solve for x
    x = 858,161.10/1,039.91
  6. Step 6: Final answer
    x = 825.23

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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.