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Finding the Fourth Proportional to 794.55, 1,190.51 and 562.29

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Solution

The fourth proportional to 794.55, 1,190.51 and 562.29 is: 842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.55 : 1,190.51 = 562.29 : x
  2. Step 2: Convert to fraction form
    794.55/1,190.51 = 562.29/x
  3. Step 3: Cross multiply
    794.55x = 1,190.51 × 562.29
  4. Step 4: Simplify right side
    794.55x = 669,411.87
  5. Step 5: Solve for x
    x = 669,411.87/794.55
  6. Step 6: Final answer
    x = 842.50

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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.