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Finding the Fourth Proportional to 592.48, 893.32 and 540.64

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Solution

The fourth proportional to 592.48, 893.32 and 540.64 is: 815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.48 : 893.32 = 540.64 : x
  2. Step 2: Convert to fraction form
    592.48/893.32 = 540.64/x
  3. Step 3: Cross multiply
    592.48x = 893.32 × 540.64
  4. Step 4: Simplify right side
    592.48x = 482,964.52
  5. Step 5: Solve for x
    x = 482,964.52/592.48
  6. Step 6: Final answer
    x = 815.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.