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Finding the Fourth Proportional to 795.68, 1,191.84 and 602.72

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Solution

The fourth proportional to 795.68, 1,191.84 and 602.72 is: 902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.68 : 1,191.84 = 602.72 : x
  2. Step 2: Convert to fraction form
    795.68/1,191.84 = 602.72/x
  3. Step 3: Cross multiply
    795.68x = 1,191.84 × 602.72
  4. Step 4: Simplify right side
    795.68x = 718,345.80
  5. Step 5: Solve for x
    x = 718,345.80/795.68
  6. Step 6: Final answer
    x = 902.81

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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.