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Finding the Fourth Proportional to 322,512.30, 483,622.65 and 144,927.90

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Solution

The fourth proportional to 322,512.30, 483,622.65 and 144,927.90 is: 217,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,512.30 : 483,622.65 = 144,927.90 : x
  2. Step 2: Convert to fraction form
    322,512.30/483,622.65 = 144,927.90/x
  3. Step 3: Cross multiply
    322,512.30x = 483,622.65 × 144,927.90
  4. Step 4: Simplify right side
    322,512.30x = 70,090,415,056.94
  5. Step 5: Solve for x
    x = 70,090,415,056.94/322,512.30
  6. Step 6: Final answer
    x = 217,326.33

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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.