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Finding the Fourth Proportional to 605,943.35, 909,048.06 and 179,512.56

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Solution

The fourth proportional to 605,943.35, 909,048.06 and 179,512.56 is: 269,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,943.35 : 909,048.06 = 179,512.56 : x
  2. Step 2: Convert to fraction form
    605,943.35/909,048.06 = 179,512.56/x
  3. Step 3: Cross multiply
    605,943.35x = 909,048.06 × 179,512.56
  4. Step 4: Simplify right side
    605,943.35x = 163,185,544,413.63
  5. Step 5: Solve for x
    x = 163,185,544,413.63/605,943.35
  6. Step 6: Final answer
    x = 269,308.25

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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.