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Finding the Fourth Proportional to 1,976,677.31, 2,965,255.88 and 556,733.38

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Solution

The fourth proportional to 1,976,677.31, 2,965,255.88 and 556,733.38 is: 835,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,677.31 : 2,965,255.88 = 556,733.38 : x
  2. Step 2: Convert to fraction form
    1,976,677.31/2,965,255.88 = 556,733.38/x
  3. Step 3: Cross multiply
    1,976,677.31x = 2,965,255.88 × 556,733.38
  4. Step 4: Simplify right side
    1,976,677.31x = 1,650,856,922,615.97
  5. Step 5: Solve for x
    x = 1,650,856,922,615.97/1,976,677.31
  6. Step 6: Final answer
    x = 835,167.64

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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.