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Finding the Fourth Proportional to 580,661.58, 870,846.21 and 206,597.10

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Solution

The fourth proportional to 580,661.58, 870,846.21 and 206,597.10 is: 309,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.58 : 870,846.21 = 206,597.10 : x
  2. Step 2: Convert to fraction form
    580,661.58/870,846.21 = 206,597.10/x
  3. Step 3: Cross multiply
    580,661.58x = 870,846.21 × 206,597.10
  4. Step 4: Simplify right side
    580,661.58x = 179,914,301,531.99
  5. Step 5: Solve for x
    x = 179,914,301,531.99/580,661.58
  6. Step 6: Final answer
    x = 309,843.65

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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.