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Finding the Fourth Proportional to 601,976.64, 901,761.86 and 361,959.12

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Solution

The fourth proportional to 601,976.64, 901,761.86 and 361,959.12 is: 542,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,976.64 : 901,761.86 = 361,959.12 : x
  2. Step 2: Convert to fraction form
    601,976.64/901,761.86 = 361,959.12/x
  3. Step 3: Cross multiply
    601,976.64x = 901,761.86 × 361,959.12
  4. Step 4: Simplify right side
    601,976.64x = 326,400,929,295.16
  5. Step 5: Solve for x
    x = 326,400,929,295.16/601,976.64
  6. Step 6: Final answer
    x = 542,215.27

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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.