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Finding the Fourth Proportional to 1,905,363.74, 2,854,308.85 and 1,104,963.75

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Solution

The fourth proportional to 1,905,363.74, 2,854,308.85 and 1,104,963.75 is: 1,655,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,363.74 : 2,854,308.85 = 1,104,963.75 : x
  2. Step 2: Convert to fraction form
    1,905,363.74/2,854,308.85 = 1,104,963.75/x
  3. Step 3: Cross multiply
    1,905,363.74x = 2,854,308.85 × 1,104,963.75
  4. Step 4: Simplify right side
    1,905,363.74x = 3,153,907,807,791.78
  5. Step 5: Solve for x
    x = 3,153,907,807,791.78/1,905,363.74
  6. Step 6: Final answer
    x = 1,655,278.59

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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.