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Finding the Fourth Proportional to 322,322.43, 483,571.13 and 97,673.79

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Solution

The fourth proportional to 322,322.43, 483,571.13 and 97,673.79 is: 146,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,322.43 : 483,571.13 = 97,673.79 : x
  2. Step 2: Convert to fraction form
    322,322.43/483,571.13 = 97,673.79/x
  3. Step 3: Cross multiply
    322,322.43x = 483,571.13 × 97,673.79
  4. Step 4: Simplify right side
    322,322.43x = 47,232,224,513.31
  5. Step 5: Solve for x
    x = 47,232,224,513.31/322,322.43
  6. Step 6: Final answer
    x = 146,537.19

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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.