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Finding the Fourth Proportional to 457,893.04, 631,930.23 and 254,009.70

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Solution

The fourth proportional to 457,893.04, 631,930.23 and 254,009.70 is: 350,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,893.04 : 631,930.23 = 254,009.70 : x
  2. Step 2: Convert to fraction form
    457,893.04/631,930.23 = 254,009.70/x
  3. Step 3: Cross multiply
    457,893.04x = 631,930.23 × 254,009.70
  4. Step 4: Simplify right side
    457,893.04x = 160,516,408,143.23
  5. Step 5: Solve for x
    x = 160,516,408,143.23/457,893.04
  6. Step 6: Final answer
    x = 350,554.37

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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.