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Finding the Fourth Proportional to 754,759, 1,041,567.42 and 415,219.96

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Solution

The fourth proportional to 754,759, 1,041,567.42 and 415,219.96 is: 573,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,759 : 1,041,567.42 = 415,219.96 : x
  2. Step 2: Convert to fraction form
    754,759/1,041,567.42 = 415,219.96/x
  3. Step 3: Cross multiply
    754,759x = 1,041,567.42 × 415,219.96
  4. Step 4: Simplify right side
    754,759x = 432,479,582,469.70
  5. Step 5: Solve for x
    x = 432,479,582,469.70/754,759
  6. Step 6: Final answer
    x = 573,003.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.