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Finding the Fourth Proportional to 253,843.34, 350,463.04 and 163,356.51

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Solution

The fourth proportional to 253,843.34, 350,463.04 and 163,356.51 is: 225,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,843.34 : 350,463.04 = 163,356.51 : x
  2. Step 2: Convert to fraction form
    253,843.34/350,463.04 = 163,356.51/x
  3. Step 3: Cross multiply
    253,843.34x = 350,463.04 × 163,356.51
  4. Step 4: Simplify right side
    253,843.34x = 57,250,420,004.24
  5. Step 5: Solve for x
    x = 57,250,420,004.24/253,843.34
  6. Step 6: Final answer
    x = 225,534.46

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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.