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Finding the Fourth Proportional to 505,340.82, 758,184.03 and 225,053.46

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Solution

The fourth proportional to 505,340.82, 758,184.03 and 225,053.46 is: 337,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,340.82 : 758,184.03 = 225,053.46 : x
  2. Step 2: Convert to fraction form
    505,340.82/758,184.03 = 225,053.46/x
  3. Step 3: Cross multiply
    505,340.82x = 758,184.03 × 225,053.46
  4. Step 4: Simplify right side
    505,340.82x = 170,631,939,268.24
  5. Step 5: Solve for x
    x = 170,631,939,268.24/505,340.82
  6. Step 6: Final answer
    x = 337,657.15

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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.