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Finding the Fourth Proportional to 322,279.64, 483,253.40 and 144,634.36

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Solution

The fourth proportional to 322,279.64, 483,253.40 and 144,634.36 is: 216,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,279.64 : 483,253.40 = 144,634.36 : x
  2. Step 2: Convert to fraction form
    322,279.64/483,253.40 = 144,634.36/x
  3. Step 3: Cross multiply
    322,279.64x = 483,253.40 × 144,634.36
  4. Step 4: Simplify right side
    322,279.64x = 69,895,046,226.82
  5. Step 5: Solve for x
    x = 69,895,046,226.82/322,279.64
  6. Step 6: Final answer
    x = 216,877.01

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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.