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Finding the Fourth Proportional to 468,610.36, 646,685.40 and 253,750.42

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Solution

The fourth proportional to 468,610.36, 646,685.40 and 253,750.42 is: 350,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,610.36 : 646,685.40 = 253,750.42 : x
  2. Step 2: Convert to fraction form
    468,610.36/646,685.40 = 253,750.42/x
  3. Step 3: Cross multiply
    468,610.36x = 646,685.40 × 253,750.42
  4. Step 4: Simplify right side
    468,610.36x = 164,096,691,857.87
  5. Step 5: Solve for x
    x = 164,096,691,857.87/468,610.36
  6. Step 6: Final answer
    x = 350,177.26

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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.