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Finding the Fourth Proportional to 1,801,976.10, 2,702,964.15 and 736,664.10

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Solution

The fourth proportional to 1,801,976.10, 2,702,964.15 and 736,664.10 is: 1,104,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,976.10 : 2,702,964.15 = 736,664.10 : x
  2. Step 2: Convert to fraction form
    1,801,976.10/2,702,964.15 = 736,664.10/x
  3. Step 3: Cross multiply
    1,801,976.10x = 2,702,964.15 × 736,664.10
  4. Step 4: Simplify right side
    1,801,976.10x = 1,991,176,652,892.02
  5. Step 5: Solve for x
    x = 1,991,176,652,892.02/1,801,976.10
  6. Step 6: Final answer
    x = 1,104,996.15

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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.