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Finding the Fourth Proportional to 457,804.06, 631,777.16 and 253,863.59

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Solution

The fourth proportional to 457,804.06, 631,777.16 and 253,863.59 is: 350,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,804.06 : 631,777.16 = 253,863.59 : x
  2. Step 2: Convert to fraction form
    457,804.06/631,777.16 = 253,863.59/x
  3. Step 3: Cross multiply
    457,804.06x = 631,777.16 × 253,863.59
  4. Step 4: Simplify right side
    457,804.06x = 160,385,215,393.38
  5. Step 5: Solve for x
    x = 160,385,215,393.38/457,804.06
  6. Step 6: Final answer
    x = 350,335.94

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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.