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Finding the Fourth Proportional to 592.11, 817.19 and 434.67

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Solution

The fourth proportional to 592.11, 817.19 and 434.67 is: 599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.11 : 817.19 = 434.67 : x
  2. Step 2: Convert to fraction form
    592.11/817.19 = 434.67/x
  3. Step 3: Cross multiply
    592.11x = 817.19 × 434.67
  4. Step 4: Simplify right side
    592.11x = 355,205.80
  5. Step 5: Solve for x
    x = 355,205.80/592.11
  6. Step 6: Final answer
    x = 599.90

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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.