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Finding the Fourth Proportional to 1,156.74, 1,735.38 and 335.03

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Solution

The fourth proportional to 1,156.74, 1,735.38 and 335.03 is: 502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.74 : 1,735.38 = 335.03 : x
  2. Step 2: Convert to fraction form
    1,156.74/1,735.38 = 335.03/x
  3. Step 3: Cross multiply
    1,156.74x = 1,735.38 × 335.03
  4. Step 4: Simplify right side
    1,156.74x = 581,404.36
  5. Step 5: Solve for x
    x = 581,404.36/1,156.74
  6. Step 6: Final answer
    x = 502.62

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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.