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Finding the Fourth Proportional to 624,511.44, 936,660.60 and 225,072.72

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Solution

The fourth proportional to 624,511.44, 936,660.60 and 225,072.72 is: 337,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,511.44 : 936,660.60 = 225,072.72 : x
  2. Step 2: Convert to fraction form
    624,511.44/936,660.60 = 225,072.72/x
  3. Step 3: Cross multiply
    624,511.44x = 936,660.60 × 225,072.72
  4. Step 4: Simplify right side
    624,511.44x = 210,816,748,958.83
  5. Step 5: Solve for x
    x = 210,816,748,958.83/624,511.44
  6. Step 6: Final answer
    x = 337,570.68

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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.