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Finding the Fourth Proportional to 595.68, 822.74 and 477.96

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Solution

The fourth proportional to 595.68, 822.74 and 477.96 is: 660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.68 : 822.74 = 477.96 : x
  2. Step 2: Convert to fraction form
    595.68/822.74 = 477.96/x
  3. Step 3: Cross multiply
    595.68x = 822.74 × 477.96
  4. Step 4: Simplify right side
    595.68x = 393,234.42
  5. Step 5: Solve for x
    x = 393,234.42/595.68
  6. Step 6: Final answer
    x = 660.14

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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.