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Finding the Fourth Proportional to 330,246.68, 455,879.95 and 222,962.04

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Solution

The fourth proportional to 330,246.68, 455,879.95 and 222,962.04 is: 307,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.68 : 455,879.95 = 222,962.04 : x
  2. Step 2: Convert to fraction form
    330,246.68/455,879.95 = 222,962.04/x
  3. Step 3: Cross multiply
    330,246.68x = 455,879.95 × 222,962.04
  4. Step 4: Simplify right side
    330,246.68x = 101,643,923,089.69
  5. Step 5: Solve for x
    x = 101,643,923,089.69/330,246.68
  6. Step 6: Final answer
    x = 307,781.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.