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Finding the Fourth Proportional to 1,179,908.02, 1,769,856.98 and 326,977.22

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Solution

The fourth proportional to 1,179,908.02, 1,769,856.98 and 326,977.22 is: 490,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,908.02 : 1,769,856.98 = 326,977.22 : x
  2. Step 2: Convert to fraction form
    1,179,908.02/1,769,856.98 = 326,977.22/x
  3. Step 3: Cross multiply
    1,179,908.02x = 1,769,856.98 × 326,977.22
  4. Step 4: Simplify right side
    1,179,908.02x = 578,702,915,118.00
  5. Step 5: Solve for x
    x = 578,702,915,118.00/1,179,908.02
  6. Step 6: Final answer
    x = 490,464.43

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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.