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Finding the Fourth Proportional to 277,969.98, 383,600.97 and 163,218.90

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Solution

The fourth proportional to 277,969.98, 383,600.97 and 163,218.90 is: 225,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,969.98 : 383,600.97 = 163,218.90 : x
  2. Step 2: Convert to fraction form
    277,969.98/383,600.97 = 163,218.90/x
  3. Step 3: Cross multiply
    277,969.98x = 383,600.97 × 163,218.90
  4. Step 4: Simplify right side
    277,969.98x = 62,610,928,362.33
  5. Step 5: Solve for x
    x = 62,610,928,362.33/277,969.98
  6. Step 6: Final answer
    x = 225,243.49

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1.5x scale

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.