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Finding the Fourth Proportional to 322,344.75, 483,592.76 and 316,989.33

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Solution

The fourth proportional to 322,344.75, 483,592.76 and 316,989.33 is: 475,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,344.75 : 483,592.76 = 316,989.33 : x
  2. Step 2: Convert to fraction form
    322,344.75/483,592.76 = 316,989.33/x
  3. Step 3: Cross multiply
    322,344.75x = 483,592.76 × 316,989.33
  4. Step 4: Simplify right side
    322,344.75x = 153,293,745,213.78
  5. Step 5: Solve for x
    x = 153,293,745,213.78/322,344.75
  6. Step 6: Final answer
    x = 475,558.37

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1.5x scale

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.