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Finding the Fourth Proportional to 583.20, 804.24 and 452.16

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Solution

The fourth proportional to 583.20, 804.24 and 452.16 is: 623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.20 : 804.24 = 452.16 : x
  2. Step 2: Convert to fraction form
    583.20/804.24 = 452.16/x
  3. Step 3: Cross multiply
    583.20x = 804.24 × 452.16
  4. Step 4: Simplify right side
    583.20x = 363,645.16
  5. Step 5: Solve for x
    x = 363,645.16/583.20
  6. Step 6: Final answer
    x = 623.53

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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.