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Finding the Fourth Proportional to 324,684.57, 447,774.63 and 203,837.13

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Solution

The fourth proportional to 324,684.57, 447,774.63 and 203,837.13 is: 281,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,684.57 : 447,774.63 = 203,837.13 : x
  2. Step 2: Convert to fraction form
    324,684.57/447,774.63 = 203,837.13/x
  3. Step 3: Cross multiply
    324,684.57x = 447,774.63 × 203,837.13
  4. Step 4: Simplify right side
    324,684.57x = 91,273,095,466.01
  5. Step 5: Solve for x
    x = 91,273,095,466.01/324,684.57
  6. Step 6: Final answer
    x = 281,113.13

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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.