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Finding the Fourth Proportional to 572.93, 790.58 and 324.26

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Solution

The fourth proportional to 572.93, 790.58 and 324.26 is: 447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.93 : 790.58 = 324.26 : x
  2. Step 2: Convert to fraction form
    572.93/790.58 = 324.26/x
  3. Step 3: Cross multiply
    572.93x = 790.58 × 324.26
  4. Step 4: Simplify right side
    572.93x = 256,347.90
  5. Step 5: Solve for x
    x = 256,347.90/572.93
  6. Step 6: Final answer
    x = 447.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.