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Finding the Fourth Proportional to 416,376.48, 624,664.24 and 135,894.24

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Solution

The fourth proportional to 416,376.48, 624,664.24 and 135,894.24 is: 203,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,376.48 : 624,664.24 = 135,894.24 : x
  2. Step 2: Convert to fraction form
    416,376.48/624,664.24 = 135,894.24/x
  3. Step 3: Cross multiply
    416,376.48x = 624,664.24 × 135,894.24
  4. Step 4: Simplify right side
    416,376.48x = 84,888,272,149.98
  5. Step 5: Solve for x
    x = 84,888,272,149.98/416,376.48
  6. Step 6: Final answer
    x = 203,873.84

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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.