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Finding the Fourth Proportional to 457,957.29, 631,955.26 and 253,993.58

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Solution

The fourth proportional to 457,957.29, 631,955.26 and 253,993.58 is: 350,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,957.29 : 631,955.26 = 253,993.58 : x
  2. Step 2: Convert to fraction form
    457,957.29/631,955.26 = 253,993.58/x
  3. Step 3: Cross multiply
    457,957.29x = 631,955.26 × 253,993.58
  4. Step 4: Simplify right side
    457,957.29x = 160,512,578,887.23
  5. Step 5: Solve for x
    x = 160,512,578,887.23/457,957.29
  6. Step 6: Final answer
    x = 350,496.83

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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.