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Finding the Fourth Proportional to 620,562.56, 930,067.86 and 265,160.48

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Solution

The fourth proportional to 620,562.56, 930,067.86 and 265,160.48 is: 397,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,562.56 : 930,067.86 = 265,160.48 : x
  2. Step 2: Convert to fraction form
    620,562.56/930,067.86 = 265,160.48/x
  3. Step 3: Cross multiply
    620,562.56x = 930,067.86 × 265,160.48
  4. Step 4: Simplify right side
    620,562.56x = 246,617,240,190.17
  5. Step 5: Solve for x
    x = 246,617,240,190.17/620,562.56
  6. Step 6: Final answer
    x = 397,409.15

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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.