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Finding the Fourth Proportional to 590.56, 885.86 and 346.84

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Solution

The fourth proportional to 590.56, 885.86 and 346.84 is: 520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.56 : 885.86 = 346.84 : x
  2. Step 2: Convert to fraction form
    590.56/885.86 = 346.84/x
  3. Step 3: Cross multiply
    590.56x = 885.86 × 346.84
  4. Step 4: Simplify right side
    590.56x = 307,251.68
  5. Step 5: Solve for x
    x = 307,251.68/590.56
  6. Step 6: Final answer
    x = 520.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.