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Finding the Fourth Proportional to 580,187.94, 870,460.10 and 276,969.03

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Solution

The fourth proportional to 580,187.94, 870,460.10 and 276,969.03 is: 415,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,187.94 : 870,460.10 = 276,969.03 : x
  2. Step 2: Convert to fraction form
    580,187.94/870,460.10 = 276,969.03/x
  3. Step 3: Cross multiply
    580,187.94x = 870,460.10 × 276,969.03
  4. Step 4: Simplify right side
    580,187.94x = 241,090,489,550.70
  5. Step 5: Solve for x
    x = 241,090,489,550.70/580,187.94
  6. Step 6: Final answer
    x = 415,538.61

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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.