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Finding the Fourth Proportional to 595.56, 821.82 and 346.83

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Solution

The fourth proportional to 595.56, 821.82 and 346.83 is: 478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.56 : 821.82 = 346.83 : x
  2. Step 2: Convert to fraction form
    595.56/821.82 = 346.83/x
  3. Step 3: Cross multiply
    595.56x = 821.82 × 346.83
  4. Step 4: Simplify right side
    595.56x = 285,031.83
  5. Step 5: Solve for x
    x = 285,031.83/595.56
  6. Step 6: Final answer
    x = 478.59

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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.