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Finding the Fourth Proportional to 458,840.66, 633,301.30 and 254,961.62

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Solution

The fourth proportional to 458,840.66, 633,301.30 and 254,961.62 is: 351,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,840.66 : 633,301.30 = 254,961.62 : x
  2. Step 2: Convert to fraction form
    458,840.66/633,301.30 = 254,961.62/x
  3. Step 3: Cross multiply
    458,840.66x = 633,301.30 × 254,961.62
  4. Step 4: Simplify right side
    458,840.66x = 161,467,525,396.11
  5. Step 5: Solve for x
    x = 161,467,525,396.11/458,840.66
  6. Step 6: Final answer
    x = 351,903.26

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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.