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Finding the Fourth Proportional to 595.86, 822.26 and 347.18

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Solution

The fourth proportional to 595.86, 822.26 and 347.18 is: 479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.86 : 822.26 = 347.18 : x
  2. Step 2: Convert to fraction form
    595.86/822.26 = 347.18/x
  3. Step 3: Cross multiply
    595.86x = 822.26 × 347.18
  4. Step 4: Simplify right side
    595.86x = 285,472.23
  5. Step 5: Solve for x
    x = 285,472.23/595.86
  6. Step 6: Final answer
    x = 479.09

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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.