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Finding the Fourth Proportional to 1,796,839.70, 2,695,259.55 and 731,333.30

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Solution

The fourth proportional to 1,796,839.70, 2,695,259.55 and 731,333.30 is: 1,096,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,839.70 : 2,695,259.55 = 731,333.30 : x
  2. Step 2: Convert to fraction form
    1,796,839.70/2,695,259.55 = 731,333.30/x
  3. Step 3: Cross multiply
    1,796,839.70x = 2,695,259.55 × 731,333.30
  4. Step 4: Simplify right side
    1,796,839.70x = 1,971,133,061,058.02
  5. Step 5: Solve for x
    x = 1,971,133,061,058.02/1,796,839.70
  6. Step 6: Final answer
    x = 1,096,999.95

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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.