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Finding the Fourth Proportional to 610,625.58, 915,713.73 and 211,163.82

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Solution

The fourth proportional to 610,625.58, 915,713.73 and 211,163.82 is: 316,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,625.58 : 915,713.73 = 211,163.82 : x
  2. Step 2: Convert to fraction form
    610,625.58/915,713.73 = 211,163.82/x
  3. Step 3: Cross multiply
    610,625.58x = 915,713.73 × 211,163.82
  4. Step 4: Simplify right side
    610,625.58x = 193,365,609,253.25
  5. Step 5: Solve for x
    x = 193,365,609,253.25/610,625.58
  6. Step 6: Final answer
    x = 316,668.05

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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.