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Finding the Fourth Proportional to 505,264.54, 695,495.26 and 440,619.73

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Solution

The fourth proportional to 505,264.54, 695,495.26 and 440,619.73 is: 606,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,264.54 : 695,495.26 = 440,619.73 : x
  2. Step 2: Convert to fraction form
    505,264.54/695,495.26 = 440,619.73/x
  3. Step 3: Cross multiply
    505,264.54x = 695,495.26 × 440,619.73
  4. Step 4: Simplify right side
    505,264.54x = 306,448,933,677.48
  5. Step 5: Solve for x
    x = 306,448,933,677.48/505,264.54
  6. Step 6: Final answer
    x = 606,511.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.