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Finding the Fourth Proportional to 751,570.77, 1,127,543 and 219,096.48

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Solution

The fourth proportional to 751,570.77, 1,127,543 and 219,096.48 is: 328,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,570.77 : 1,127,543 = 219,096.48 : x
  2. Step 2: Convert to fraction form
    751,570.77/1,127,543 = 219,096.48/x
  3. Step 3: Cross multiply
    751,570.77x = 1,127,543 × 219,096.48
  4. Step 4: Simplify right side
    751,570.77x = 247,040,702,348.64
  5. Step 5: Solve for x
    x = 247,040,702,348.64/751,570.77
  6. Step 6: Final answer
    x = 328,699.19

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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.