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Finding the Fourth Proportional to 3,279,064.06, 4,918,226.73 and 883,084.06

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Solution

The fourth proportional to 3,279,064.06, 4,918,226.73 and 883,084.06 is: 1,324,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,064.06 : 4,918,226.73 = 883,084.06 : x
  2. Step 2: Convert to fraction form
    3,279,064.06/4,918,226.73 = 883,084.06/x
  3. Step 3: Cross multiply
    3,279,064.06x = 4,918,226.73 × 883,084.06
  4. Step 4: Simplify right side
    3,279,064.06x = 4,343,207,628,728.92
  5. Step 5: Solve for x
    x = 4,343,207,628,728.92/3,279,064.06
  6. Step 6: Final answer
    x = 1,324,526.62

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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.