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Finding the Fourth Proportional to 416,163.36, 624,337.92 and 163,468.32

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Solution

The fourth proportional to 416,163.36, 624,337.92 and 163,468.32 is: 245,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,163.36 : 624,337.92 = 163,468.32 : x
  2. Step 2: Convert to fraction form
    416,163.36/624,337.92 = 163,468.32/x
  3. Step 3: Cross multiply
    416,163.36x = 624,337.92 × 163,468.32
  4. Step 4: Simplify right side
    416,163.36x = 102,059,470,894.69
  5. Step 5: Solve for x
    x = 102,059,470,894.69/416,163.36
  6. Step 6: Final answer
    x = 245,238.96

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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.