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Finding the Fourth Proportional to 944.60, 1,304.19 and 590.67

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Solution

The fourth proportional to 944.60, 1,304.19 and 590.67 is: 815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.60 : 1,304.19 = 590.67 : x
  2. Step 2: Convert to fraction form
    944.60/1,304.19 = 590.67/x
  3. Step 3: Cross multiply
    944.60x = 1,304.19 × 590.67
  4. Step 4: Simplify right side
    944.60x = 770,345.91
  5. Step 5: Solve for x
    x = 770,345.91/944.60
  6. Step 6: Final answer
    x = 815.53

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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.