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Finding the Fourth Proportional to 795.04, 1,191.53 and 355.97

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Solution

The fourth proportional to 795.04, 1,191.53 and 355.97 is: 533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.04 : 1,191.53 = 355.97 : x
  2. Step 2: Convert to fraction form
    795.04/1,191.53 = 355.97/x
  3. Step 3: Cross multiply
    795.04x = 1,191.53 × 355.97
  4. Step 4: Simplify right side
    795.04x = 424,145.96
  5. Step 5: Solve for x
    x = 424,145.96/795.04
  6. Step 6: Final answer
    x = 533.49

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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.