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Finding the Fourth Proportional to 1,733,869.56, 2,600,979.30 and 654,111.21

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Solution

The fourth proportional to 1,733,869.56, 2,600,979.30 and 654,111.21 is: 981,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,869.56 : 2,600,979.30 = 654,111.21 : x
  2. Step 2: Convert to fraction form
    1,733,869.56/2,600,979.30 = 654,111.21/x
  3. Step 3: Cross multiply
    1,733,869.56x = 2,600,979.30 × 654,111.21
  4. Step 4: Simplify right side
    1,733,869.56x = 1,701,329,717,107.95
  5. Step 5: Solve for x
    x = 1,701,329,717,107.95/1,733,869.56
  6. Step 6: Final answer
    x = 981,232.82

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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.