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Finding the Fourth Proportional to 795.68, 1,194.16 and 564.80

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Solution

The fourth proportional to 795.68, 1,194.16 and 564.80 is: 847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.68 : 1,194.16 = 564.80 : x
  2. Step 2: Convert to fraction form
    795.68/1,194.16 = 564.80/x
  3. Step 3: Cross multiply
    795.68x = 1,194.16 × 564.80
  4. Step 4: Simplify right side
    795.68x = 674,461.57
  5. Step 5: Solve for x
    x = 674,461.57/795.68
  6. Step 6: Final answer
    x = 847.65

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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.