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Finding the Fourth Proportional to 458,793.30, 633,113.31 and 254,857.35

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Solution

The fourth proportional to 458,793.30, 633,113.31 and 254,857.35 is: 351,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,793.30 : 633,113.31 = 254,857.35 : x
  2. Step 2: Convert to fraction form
    458,793.30/633,113.31 = 254,857.35/x
  3. Step 3: Cross multiply
    458,793.30x = 633,113.31 × 254,857.35
  4. Step 4: Simplify right side
    458,793.30x = 161,353,580,436.33
  5. Step 5: Solve for x
    x = 161,353,580,436.33/458,793.30
  6. Step 6: Final answer
    x = 351,691.23

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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.