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Finding the Fourth Proportional to 572.24, 788.95 and 467.22

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Solution

The fourth proportional to 572.24, 788.95 and 467.22 is: 644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.24 : 788.95 = 467.22 : x
  2. Step 2: Convert to fraction form
    572.24/788.95 = 467.22/x
  3. Step 3: Cross multiply
    572.24x = 788.95 × 467.22
  4. Step 4: Simplify right side
    572.24x = 368,612.05
  5. Step 5: Solve for x
    x = 368,612.05/572.24
  6. Step 6: Final answer
    x = 644.16

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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.