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Finding the Fourth Proportional to 3,276,632.98, 4,914,945.23 and 880,477.64

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Solution

The fourth proportional to 3,276,632.98, 4,914,945.23 and 880,477.64 is: 1,320,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,632.98 : 4,914,945.23 = 880,477.64 : x
  2. Step 2: Convert to fraction form
    3,276,632.98/4,914,945.23 = 880,477.64/x
  3. Step 3: Cross multiply
    3,276,632.98x = 4,914,945.23 × 880,477.64
  4. Step 4: Simplify right side
    3,276,632.98x = 4,327,499,376,839.66
  5. Step 5: Solve for x
    x = 4,327,499,376,839.66/3,276,632.98
  6. Step 6: Final answer
    x = 1,320,715.32

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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.