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Finding the Fourth Proportional to 4,653,150.72, 6,979,726.56 and 1,458,276.48

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Solution

The fourth proportional to 4,653,150.72, 6,979,726.56 and 1,458,276.48 is: 2,187,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,150.72 : 6,979,726.56 = 1,458,276.48 : x
  2. Step 2: Convert to fraction form
    4,653,150.72/6,979,726.56 = 1,458,276.48/x
  3. Step 3: Cross multiply
    4,653,150.72x = 6,979,726.56 × 1,458,276.48
  4. Step 4: Simplify right side
    4,653,150.72x = 10,178,371,079,279.31
  5. Step 5: Solve for x
    x = 10,178,371,079,279.31/4,653,150.72
  6. Step 6: Final answer
    x = 2,187,414.87

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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.