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Finding the Fourth Proportional to 590.50, 885.16 and 282.27

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Solution

The fourth proportional to 590.50, 885.16 and 282.27 is: 423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.50 : 885.16 = 282.27 : x
  2. Step 2: Convert to fraction form
    590.50/885.16 = 282.27/x
  3. Step 3: Cross multiply
    590.50x = 885.16 × 282.27
  4. Step 4: Simplify right side
    590.50x = 249,854.11
  5. Step 5: Solve for x
    x = 249,854.11/590.50
  6. Step 6: Final answer
    x = 423.12

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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.