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Finding the Fourth Proportional to 457,889.96, 631,926.97 and 254,006.57

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Solution

The fourth proportional to 457,889.96, 631,926.97 and 254,006.57 is: 350,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,889.96 : 631,926.97 = 254,006.57 : x
  2. Step 2: Convert to fraction form
    457,889.96/631,926.97 = 254,006.57/x
  3. Step 3: Cross multiply
    457,889.96x = 631,926.97 × 254,006.57
  4. Step 4: Simplify right side
    457,889.96x = 160,513,599,530.41
  5. Step 5: Solve for x
    x = 160,513,599,530.41/457,889.96
  6. Step 6: Final answer
    x = 350,550.60

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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.