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Finding the Fourth Proportional to 592.61, 817.75 and 340.48

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Solution

The fourth proportional to 592.61, 817.75 and 340.48 is: 469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.61 : 817.75 = 340.48 : x
  2. Step 2: Convert to fraction form
    592.61/817.75 = 340.48/x
  3. Step 3: Cross multiply
    592.61x = 817.75 × 340.48
  4. Step 4: Simplify right side
    592.61x = 278,425.71
  5. Step 5: Solve for x
    x = 278,425.71/592.61
  6. Step 6: Final answer
    x = 469.83

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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.