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Finding the Fourth Proportional to 590.96, 885.22 and 522.66

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Solution

The fourth proportional to 590.96, 885.22 and 522.66 is: 782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.96 : 885.22 = 522.66 : x
  2. Step 2: Convert to fraction form
    590.96/885.22 = 522.66/x
  3. Step 3: Cross multiply
    590.96x = 885.22 × 522.66
  4. Step 4: Simplify right side
    590.96x = 462,669.09
  5. Step 5: Solve for x
    x = 462,669.09/590.96
  6. Step 6: Final answer
    x = 782.91

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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.