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Finding the Fourth Proportional to 814.13, 1,124.48 and 592.73

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Solution

The fourth proportional to 814.13, 1,124.48 and 592.73 is: 818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    814.13 : 1,124.48 = 592.73 : x
  2. Step 2: Convert to fraction form
    814.13/1,124.48 = 592.73/x
  3. Step 3: Cross multiply
    814.13x = 1,124.48 × 592.73
  4. Step 4: Simplify right side
    814.13x = 666,513.03
  5. Step 5: Solve for x
    x = 666,513.03/814.13
  6. Step 6: Final answer
    x = 818.68

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Double scale
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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.