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Finding the Fourth Proportional to 1,040.02, 1,435.26 and 597.91

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Solution

The fourth proportional to 1,040.02, 1,435.26 and 597.91 is: 825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.02 : 1,435.26 = 597.91 : x
  2. Step 2: Convert to fraction form
    1,040.02/1,435.26 = 597.91/x
  3. Step 3: Cross multiply
    1,040.02x = 1,435.26 × 597.91
  4. Step 4: Simplify right side
    1,040.02x = 858,156.31
  5. Step 5: Solve for x
    x = 858,156.31/1,040.02
  6. Step 6: Final answer
    x = 825.13

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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.