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Finding the Fourth Proportional to 3,266,754.12, 4,899,742.38 and 870,778.44

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Solution

The fourth proportional to 3,266,754.12, 4,899,742.38 and 870,778.44 is: 1,306,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,754.12 : 4,899,742.38 = 870,778.44 : x
  2. Step 2: Convert to fraction form
    3,266,754.12/4,899,742.38 = 870,778.44/x
  3. Step 3: Cross multiply
    3,266,754.12x = 4,899,742.38 × 870,778.44
  4. Step 4: Simplify right side
    3,266,754.12x = 4,266,590,026,058.29
  5. Step 5: Solve for x
    x = 4,266,590,026,058.29/3,266,754.12
  6. Step 6: Final answer
    x = 1,306,064.02

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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.