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Finding the Fourth Proportional to 322,279.68, 483,253.44 and 144,634.32

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Solution

The fourth proportional to 322,279.68, 483,253.44 and 144,634.32 is: 216,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,279.68 : 483,253.44 = 144,634.32 : x
  2. Step 2: Convert to fraction form
    322,279.68/483,253.44 = 144,634.32/x
  3. Step 3: Cross multiply
    322,279.68x = 483,253.44 × 144,634.32
  4. Step 4: Simplify right side
    322,279.68x = 69,895,032,682.06
  5. Step 5: Solve for x
    x = 69,895,032,682.06/322,279.68
  6. Step 6: Final answer
    x = 216,876.95

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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.