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Finding the Fourth Proportional to 324,521.91, 447,496.25 and 222,695.87

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Solution

The fourth proportional to 324,521.91, 447,496.25 and 222,695.87 is: 307,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,521.91 : 447,496.25 = 222,695.87 : x
  2. Step 2: Convert to fraction form
    324,521.91/447,496.25 = 222,695.87/x
  3. Step 3: Cross multiply
    324,521.91x = 447,496.25 × 222,695.87
  4. Step 4: Simplify right side
    324,521.91x = 99,655,563,364.53
  5. Step 5: Solve for x
    x = 99,655,563,364.53/324,521.91
  6. Step 6: Final answer
    x = 307,084.24

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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.