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Finding the Fourth Proportional to 575,369.74, 863,053.39 and 154,645.61

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Solution

The fourth proportional to 575,369.74, 863,053.39 and 154,645.61 is: 231,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,369.74 : 863,053.39 = 154,645.61 : x
  2. Step 2: Convert to fraction form
    575,369.74/863,053.39 = 154,645.61/x
  3. Step 3: Cross multiply
    575,369.74x = 863,053.39 × 154,645.61
  4. Step 4: Simplify right side
    575,369.74x = 133,467,419,730.14
  5. Step 5: Solve for x
    x = 133,467,419,730.14/575,369.74
  6. Step 6: Final answer
    x = 231,968.09

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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.