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Finding the Fourth Proportional to 1,197.35, 1,796.20 and 503.59

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Solution

The fourth proportional to 1,197.35, 1,796.20 and 503.59 is: 755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.35 : 1,796.20 = 503.59 : x
  2. Step 2: Convert to fraction form
    1,197.35/1,796.20 = 503.59/x
  3. Step 3: Cross multiply
    1,197.35x = 1,796.20 × 503.59
  4. Step 4: Simplify right side
    1,197.35x = 904,542.61
  5. Step 5: Solve for x
    x = 904,542.61/1,197.35
  6. Step 6: Final answer
    x = 755.45

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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.