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Finding the Fourth Proportional to 1,753,305, 2,419,560.90 and 948,489

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Solution

The fourth proportional to 1,753,305, 2,419,560.90 and 948,489 is: 1,308,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,305 : 2,419,560.90 = 948,489 : x
  2. Step 2: Convert to fraction form
    1,753,305/2,419,560.90 = 948,489/x
  3. Step 3: Cross multiply
    1,753,305x = 2,419,560.90 × 948,489
  4. Step 4: Simplify right side
    1,753,305x = 2,294,926,898,480.10
  5. Step 5: Solve for x
    x = 2,294,926,898,480.10/1,753,305
  6. Step 6: Final answer
    x = 1,308,914.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.