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Finding the Fourth Proportional to 458,942.91, 633,301.59 and 254,990.10

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Solution

The fourth proportional to 458,942.91, 633,301.59 and 254,990.10 is: 351,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,942.91 : 633,301.59 = 254,990.10 : x
  2. Step 2: Convert to fraction form
    458,942.91/633,301.59 = 254,990.10/x
  3. Step 3: Cross multiply
    458,942.91x = 633,301.59 × 254,990.10
  4. Step 4: Simplify right side
    458,942.91x = 161,485,635,764.26
  5. Step 5: Solve for x
    x = 161,485,635,764.26/458,942.91
  6. Step 6: Final answer
    x = 351,864.32

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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.