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Finding the Fourth Proportional to 416,316.42, 624,496.73 and 132,029.37

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Solution

The fourth proportional to 416,316.42, 624,496.73 and 132,029.37 is: 198,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,316.42 : 624,496.73 = 132,029.37 : x
  2. Step 2: Convert to fraction form
    416,316.42/624,496.73 = 132,029.37/x
  3. Step 3: Cross multiply
    416,316.42x = 624,496.73 × 132,029.37
  4. Step 4: Simplify right side
    416,316.42x = 82,451,909,168.81
  5. Step 5: Solve for x
    x = 82,451,909,168.81/416,316.42
  6. Step 6: Final answer
    x = 198,051.06

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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.