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Finding the Fourth Proportional to 448,136.50, 618,458.34 and 246,932.50

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Solution

The fourth proportional to 448,136.50, 618,458.34 and 246,932.50 is: 340,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,136.50 : 618,458.34 = 246,932.50 : x
  2. Step 2: Convert to fraction form
    448,136.50/618,458.34 = 246,932.50/x
  3. Step 3: Cross multiply
    448,136.50x = 618,458.34 × 246,932.50
  4. Step 4: Simplify right side
    448,136.50x = 152,717,464,042.05
  5. Step 5: Solve for x
    x = 152,717,464,042.05/448,136.50
  6. Step 6: Final answer
    x = 340,783.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.