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Finding the Fourth Proportional to 1,899,016.31, 2,848,774.59 and 619,174.40

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Solution

The fourth proportional to 1,899,016.31, 2,848,774.59 and 619,174.40 is: 928,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,016.31 : 2,848,774.59 = 619,174.40 : x
  2. Step 2: Convert to fraction form
    1,899,016.31/2,848,774.59 = 619,174.40/x
  3. Step 3: Cross multiply
    1,899,016.31x = 2,848,774.59 × 619,174.40
  4. Step 4: Simplify right side
    1,899,016.31x = 1,763,888,283,254.62
  5. Step 5: Solve for x
    x = 1,763,888,283,254.62/1,899,016.31
  6. Step 6: Final answer
    x = 928,843.14

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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.