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Finding the Fourth Proportional to 592.14, 817.48 and 434.64

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Solution

The fourth proportional to 592.14, 817.48 and 434.64 is: 600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.14 : 817.48 = 434.64 : x
  2. Step 2: Convert to fraction form
    592.14/817.48 = 434.64/x
  3. Step 3: Cross multiply
    592.14x = 817.48 × 434.64
  4. Step 4: Simplify right side
    592.14x = 355,309.51
  5. Step 5: Solve for x
    x = 355,309.51/592.14
  6. Step 6: Final answer
    x = 600.04

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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.