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Finding the Fourth Proportional to 595.96, 822.25 and 409.66

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Solution

The fourth proportional to 595.96, 822.25 and 409.66 is: 565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.96 : 822.25 = 409.66 : x
  2. Step 2: Convert to fraction form
    595.96/822.25 = 409.66/x
  3. Step 3: Cross multiply
    595.96x = 822.25 × 409.66
  4. Step 4: Simplify right side
    595.96x = 336,841.91
  5. Step 5: Solve for x
    x = 336,841.91/595.96
  6. Step 6: Final answer
    x = 565.21

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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.