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Finding the Fourth Proportional to 1,735.91, 2,603.29 and 503.36

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Solution

The fourth proportional to 1,735.91, 2,603.29 and 503.36 is: 754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.91 : 2,603.29 = 503.36 : x
  2. Step 2: Convert to fraction form
    1,735.91/2,603.29 = 503.36/x
  3. Step 3: Cross multiply
    1,735.91x = 2,603.29 × 503.36
  4. Step 4: Simplify right side
    1,735.91x = 1,310,399.82
  5. Step 5: Solve for x
    x = 1,310,399.82/1,735.91
  6. Step 6: Final answer
    x = 754.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.