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Finding the Fourth Proportional to 408,792.09, 613,188.30 and 183,889.77

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Solution

The fourth proportional to 408,792.09, 613,188.30 and 183,889.77 is: 275,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,792.09 : 613,188.30 = 183,889.77 : x
  2. Step 2: Convert to fraction form
    408,792.09/613,188.30 = 183,889.77/x
  3. Step 3: Cross multiply
    408,792.09x = 613,188.30 × 183,889.77
  4. Step 4: Simplify right side
    408,792.09x = 112,759,055,453.69
  5. Step 5: Solve for x
    x = 112,759,055,453.69/408,792.09
  6. Step 6: Final answer
    x = 275,834.73

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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.