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Finding the Fourth Proportional to 324,605.70, 447,923.04 and 222,718.86

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Solution

The fourth proportional to 324,605.70, 447,923.04 and 222,718.86 is: 307,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,605.70 : 447,923.04 = 222,718.86 : x
  2. Step 2: Convert to fraction form
    324,605.70/447,923.04 = 222,718.86/x
  3. Step 3: Cross multiply
    324,605.70x = 447,923.04 × 222,718.86
  4. Step 4: Simplify right side
    324,605.70x = 99,760,908,836.53
  5. Step 5: Solve for x
    x = 99,760,908,836.53/324,605.70
  6. Step 6: Final answer
    x = 307,329.50

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1.5x scale

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.