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Finding the Fourth Proportional to 1,174.43, 1,761.66 and 525.03

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Solution

The fourth proportional to 1,174.43, 1,761.66 and 525.03 is: 787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.43 : 1,761.66 = 525.03 : x
  2. Step 2: Convert to fraction form
    1,174.43/1,761.66 = 525.03/x
  3. Step 3: Cross multiply
    1,174.43x = 1,761.66 × 525.03
  4. Step 4: Simplify right side
    1,174.43x = 924,924.35
  5. Step 5: Solve for x
    x = 924,924.35/1,174.43
  6. Step 6: Final answer
    x = 787.56

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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.