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Finding the Fourth Proportional to 544,651.70, 751,566.66 and 315,163.22

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Solution

The fourth proportional to 544,651.70, 751,566.66 and 315,163.22 is: 434,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,651.70 : 751,566.66 = 315,163.22 : x
  2. Step 2: Convert to fraction form
    544,651.70/751,566.66 = 315,163.22/x
  3. Step 3: Cross multiply
    544,651.70x = 751,566.66 × 315,163.22
  4. Step 4: Simplify right side
    544,651.70x = 236,866,168,610.25
  5. Step 5: Solve for x
    x = 236,866,168,610.25/544,651.70
  6. Step 6: Final answer
    x = 434,894.76

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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.