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Finding the Fourth Proportional to 589.74, 813.83 and 341.08

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Solution

The fourth proportional to 589.74, 813.83 and 341.08 is: 470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.74 : 813.83 = 341.08 : x
  2. Step 2: Convert to fraction form
    589.74/813.83 = 341.08/x
  3. Step 3: Cross multiply
    589.74x = 813.83 × 341.08
  4. Step 4: Simplify right side
    589.74x = 277,581.14
  5. Step 5: Solve for x
    x = 277,581.14/589.74
  6. Step 6: Final answer
    x = 470.68

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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.