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Finding the Fourth Proportional to 467,159.28, 644,007.96 and 332,790

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Solution

The fourth proportional to 467,159.28, 644,007.96 and 332,790 is: 458,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,159.28 : 644,007.96 = 332,790 : x
  2. Step 2: Convert to fraction form
    467,159.28/644,007.96 = 332,790/x
  3. Step 3: Cross multiply
    467,159.28x = 644,007.96 × 332,790
  4. Step 4: Simplify right side
    467,159.28x = 214,319,409,008.40
  5. Step 5: Solve for x
    x = 214,319,409,008.40/467,159.28
  6. Step 6: Final answer
    x = 458,771.60

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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.