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Finding the Fourth Proportional to 322,321.52, 483,482.24 and 122,595.78

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Solution

The fourth proportional to 322,321.52, 483,482.24 and 122,595.78 is: 183,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,321.52 : 483,482.24 = 122,595.78 : x
  2. Step 2: Convert to fraction form
    322,321.52/483,482.24 = 122,595.78/x
  3. Step 3: Cross multiply
    322,321.52x = 483,482.24 × 122,595.78
  4. Step 4: Simplify right side
    322,321.52x = 59,272,882,328.95
  5. Step 5: Solve for x
    x = 59,272,882,328.95/322,321.52
  6. Step 6: Final answer
    x = 183,893.65

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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.