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Finding the Fourth Proportional to 319,995.31, 441,583.50 and 174,798.76

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Solution

The fourth proportional to 319,995.31, 441,583.50 and 174,798.76 is: 241,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,995.31 : 441,583.50 = 174,798.76 : x
  2. Step 2: Convert to fraction form
    319,995.31/441,583.50 = 174,798.76/x
  3. Step 3: Cross multiply
    319,995.31x = 441,583.50 × 174,798.76
  4. Step 4: Simplify right side
    319,995.31x = 77,188,247,632.72
  5. Step 5: Solve for x
    x = 77,188,247,632.72/319,995.31
  6. Step 6: Final answer
    x = 241,216.81

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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.