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Finding the Fourth Proportional to 710.93, 1,066.43 and 224.02

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Solution

The fourth proportional to 710.93, 1,066.43 and 224.02 is: 336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.93 : 1,066.43 = 224.02 : x
  2. Step 2: Convert to fraction form
    710.93/1,066.43 = 224.02/x
  3. Step 3: Cross multiply
    710.93x = 1,066.43 × 224.02
  4. Step 4: Simplify right side
    710.93x = 238,903.54
  5. Step 5: Solve for x
    x = 238,903.54/710.93
  6. Step 6: Final answer
    x = 336.04

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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.