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Finding the Fourth Proportional to 1,976,672.88, 2,965,058.01 and 556,719.48

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Solution

The fourth proportional to 1,976,672.88, 2,965,058.01 and 556,719.48 is: 835,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,672.88 : 2,965,058.01 = 556,719.48 : x
  2. Step 2: Convert to fraction form
    1,976,672.88/2,965,058.01 = 556,719.48/x
  3. Step 3: Cross multiply
    1,976,672.88x = 2,965,058.01 × 556,719.48
  4. Step 4: Simplify right side
    1,976,672.88x = 1,650,705,553,497.03
  5. Step 5: Solve for x
    x = 1,650,705,553,497.03/1,976,672.88
  6. Step 6: Final answer
    x = 835,092.93

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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.