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Finding the Fourth Proportional to 252,968.86, 379,345.28 and 146,426.37

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Solution

The fourth proportional to 252,968.86, 379,345.28 and 146,426.37 is: 219,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,968.86 : 379,345.28 = 146,426.37 : x
  2. Step 2: Convert to fraction form
    252,968.86/379,345.28 = 146,426.37/x
  3. Step 3: Cross multiply
    252,968.86x = 379,345.28 × 146,426.37
  4. Step 4: Simplify right side
    252,968.86x = 55,546,150,172.36
  5. Step 5: Solve for x
    x = 55,546,150,172.36/252,968.86
  6. Step 6: Final answer
    x = 219,577.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.