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Finding the Fourth Proportional to 3,954,374.26, 5,927,488.71 and 1,557,247.30

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Solution

The fourth proportional to 3,954,374.26, 5,927,488.71 and 1,557,247.30 is: 2,334,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,374.26 : 5,927,488.71 = 1,557,247.30 : x
  2. Step 2: Convert to fraction form
    3,954,374.26/5,927,488.71 = 1,557,247.30/x
  3. Step 3: Cross multiply
    3,954,374.26x = 5,927,488.71 × 1,557,247.30
  4. Step 4: Simplify right side
    3,954,374.26x = 9,230,565,789,427.98
  5. Step 5: Solve for x
    x = 9,230,565,789,427.98/3,954,374.26
  6. Step 6: Final answer
    x = 2,334,267.11

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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.