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Finding the Fourth Proportional to 662,980.71, 994,624.02 and 207,546.06

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Solution

The fourth proportional to 662,980.71, 994,624.02 and 207,546.06 is: 311,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,980.71 : 994,624.02 = 207,546.06 : x
  2. Step 2: Convert to fraction form
    662,980.71/994,624.02 = 207,546.06/x
  3. Step 3: Cross multiply
    662,980.71x = 994,624.02 × 207,546.06
  4. Step 4: Simplify right side
    662,980.71x = 206,430,296,532.36
  5. Step 5: Solve for x
    x = 206,430,296,532.36/662,980.71
  6. Step 6: Final answer
    x = 311,366.97

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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.