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Finding the Fourth Proportional to 461,722.66, 637,187.24 and 254,990.40

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Solution

The fourth proportional to 461,722.66, 637,187.24 and 254,990.40 is: 351,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,722.66 : 637,187.24 = 254,990.40 : x
  2. Step 2: Convert to fraction form
    461,722.66/637,187.24 = 254,990.40/x
  3. Step 3: Cross multiply
    461,722.66x = 637,187.24 × 254,990.40
  4. Step 4: Simplify right side
    461,722.66x = 162,476,629,202.50
  5. Step 5: Solve for x
    x = 162,476,629,202.50/461,722.66
  6. Step 6: Final answer
    x = 351,892.26

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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.