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Finding the Fourth Proportional to 321,592.94, 482,290.68 and 222,390.62

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Solution

The fourth proportional to 321,592.94, 482,290.68 and 222,390.62 is: 333,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,592.94 : 482,290.68 = 222,390.62 : x
  2. Step 2: Convert to fraction form
    321,592.94/482,290.68 = 222,390.62/x
  3. Step 3: Cross multiply
    321,592.94x = 482,290.68 × 222,390.62
  4. Step 4: Simplify right side
    321,592.94x = 107,256,923,345.42
  5. Step 5: Solve for x
    x = 107,256,923,345.42/321,592.94
  6. Step 6: Final answer
    x = 333,517.66

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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.