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Finding the Fourth Proportional to 352,336.23, 486,020.66 and 224,868.15

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Solution

The fourth proportional to 352,336.23, 486,020.66 and 224,868.15 is: 310,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,336.23 : 486,020.66 = 224,868.15 : x
  2. Step 2: Convert to fraction form
    352,336.23/486,020.66 = 224,868.15/x
  3. Step 3: Cross multiply
    352,336.23x = 486,020.66 × 224,868.15
  4. Step 4: Simplify right side
    352,336.23x = 109,290,565,551.64
  5. Step 5: Solve for x
    x = 109,290,565,551.64/352,336.23
  6. Step 6: Final answer
    x = 310,188.27

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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.