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Finding the Fourth Proportional to 404,575.39, 606,943.03 and 148,410.34

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Solution

The fourth proportional to 404,575.39, 606,943.03 and 148,410.34 is: 222,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,575.39 : 606,943.03 = 148,410.34 : x
  2. Step 2: Convert to fraction form
    404,575.39/606,943.03 = 148,410.34/x
  3. Step 3: Cross multiply
    404,575.39x = 606,943.03 × 148,410.34
  4. Step 4: Simplify right side
    404,575.39x = 90,076,620,296.60
  5. Step 5: Solve for x
    x = 90,076,620,296.60/404,575.39
  6. Step 6: Final answer
    x = 222,644.83

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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.