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Finding the Fourth Proportional to 573.93, 792.05 and 325.28

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Solution

The fourth proportional to 573.93, 792.05 and 325.28 is: 448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.93 : 792.05 = 325.28 : x
  2. Step 2: Convert to fraction form
    573.93/792.05 = 325.28/x
  3. Step 3: Cross multiply
    573.93x = 792.05 × 325.28
  4. Step 4: Simplify right side
    573.93x = 257,638.02
  5. Step 5: Solve for x
    x = 257,638.02/573.93
  6. Step 6: Final answer
    x = 448.90

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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.