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Finding the Fourth Proportional to 468,571.52, 646,603.08 and 274,953.16

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Solution

The fourth proportional to 468,571.52, 646,603.08 and 274,953.16 is: 379,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,571.52 : 646,603.08 = 274,953.16 : x
  2. Step 2: Convert to fraction form
    468,571.52/646,603.08 = 274,953.16/x
  3. Step 3: Cross multiply
    468,571.52x = 646,603.08 × 274,953.16
  4. Step 4: Simplify right side
    468,571.52x = 177,785,560,111.73
  5. Step 5: Solve for x
    x = 177,785,560,111.73/468,571.52
  6. Step 6: Final answer
    x = 379,420.33

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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.