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Finding the Fourth Proportional to 592.79, 817.07 and 543.16

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Solution

The fourth proportional to 592.79, 817.07 and 543.16 is: 748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.79 : 817.07 = 543.16 : x
  2. Step 2: Convert to fraction form
    592.79/817.07 = 543.16/x
  3. Step 3: Cross multiply
    592.79x = 817.07 × 543.16
  4. Step 4: Simplify right side
    592.79x = 443,799.74
  5. Step 5: Solve for x
    x = 443,799.74/592.79
  6. Step 6: Final answer
    x = 748.66

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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.