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Finding the Fourth Proportional to 795.46, 1,190.74 and 575.94

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Solution

The fourth proportional to 795.46, 1,190.74 and 575.94 is: 862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.46 : 1,190.74 = 575.94 : x
  2. Step 2: Convert to fraction form
    795.46/1,190.74 = 575.94/x
  3. Step 3: Cross multiply
    795.46x = 1,190.74 × 575.94
  4. Step 4: Simplify right side
    795.46x = 685,794.80
  5. Step 5: Solve for x
    x = 685,794.80/795.46
  6. Step 6: Final answer
    x = 862.14

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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.