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Finding the Fourth Proportional to 572.94, 859.61 and 243.97

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Solution

The fourth proportional to 572.94, 859.61 and 243.97 is: 366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.94 : 859.61 = 243.97 : x
  2. Step 2: Convert to fraction form
    572.94/859.61 = 243.97/x
  3. Step 3: Cross multiply
    572.94x = 859.61 × 243.97
  4. Step 4: Simplify right side
    572.94x = 209,717.51
  5. Step 5: Solve for x
    x = 209,717.51/572.94
  6. Step 6: Final answer
    x = 366.04

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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.