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Finding the Fourth Proportional to 907,067.60, 1,360,798.20 and 275,965

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Solution

The fourth proportional to 907,067.60, 1,360,798.20 and 275,965 is: 414,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,067.60 : 1,360,798.20 = 275,965 : x
  2. Step 2: Convert to fraction form
    907,067.60/1,360,798.20 = 275,965/x
  3. Step 3: Cross multiply
    907,067.60x = 1,360,798.20 × 275,965
  4. Step 4: Simplify right side
    907,067.60x = 375,532,675,263
  5. Step 5: Solve for x
    x = 375,532,675,263/907,067.60
  6. Step 6: Final answer
    x = 414,007.37

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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.