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Finding the Fourth Proportional to 322,587.74, 483,579.36 and 109,206.41

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Solution

The fourth proportional to 322,587.74, 483,579.36 and 109,206.41 is: 163,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,587.74 : 483,579.36 = 109,206.41 : x
  2. Step 2: Convert to fraction form
    322,587.74/483,579.36 = 109,206.41/x
  3. Step 3: Cross multiply
    322,587.74x = 483,579.36 × 109,206.41
  4. Step 4: Simplify right side
    322,587.74x = 52,809,963,437.80
  5. Step 5: Solve for x
    x = 52,809,963,437.80/322,587.74
  6. Step 6: Final answer
    x = 163,707.28

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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.