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Finding the Fourth Proportional to 416,397.22, 624,852.80 and 163,633.32

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Solution

The fourth proportional to 416,397.22, 624,852.80 and 163,633.32 is: 245,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,397.22 : 624,852.80 = 163,633.32 : x
  2. Step 2: Convert to fraction form
    416,397.22/624,852.80 = 163,633.32/x
  3. Step 3: Cross multiply
    416,397.22x = 624,852.80 × 163,633.32
  4. Step 4: Simplify right side
    416,397.22x = 102,246,738,175.30
  5. Step 5: Solve for x
    x = 102,246,738,175.30/416,397.22
  6. Step 6: Final answer
    x = 245,550.96

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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.