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Finding the Fourth Proportional to 590.96, 885.57 and 395.29

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Solution

The fourth proportional to 590.96, 885.57 and 395.29 is: 592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.96 : 885.57 = 395.29 : x
  2. Step 2: Convert to fraction form
    590.96/885.57 = 395.29/x
  3. Step 3: Cross multiply
    590.96x = 885.57 × 395.29
  4. Step 4: Simplify right side
    590.96x = 350,056.59
  5. Step 5: Solve for x
    x = 350,056.59/590.96
  6. Step 6: Final answer
    x = 592.35

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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.