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Finding the Fourth Proportional to 1,114.68, 1,668.92 and 565.68

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Solution

The fourth proportional to 1,114.68, 1,668.92 and 565.68 is: 846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.68 : 1,668.92 = 565.68 : x
  2. Step 2: Convert to fraction form
    1,114.68/1,668.92 = 565.68/x
  3. Step 3: Cross multiply
    1,114.68x = 1,668.92 × 565.68
  4. Step 4: Simplify right side
    1,114.68x = 944,071.84
  5. Step 5: Solve for x
    x = 944,071.84/1,114.68
  6. Step 6: Final answer
    x = 846.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.