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Finding the Fourth Proportional to 505,640.62, 758,574.06 and 190,100.26

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Solution

The fourth proportional to 505,640.62, 758,574.06 and 190,100.26 is: 285,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,640.62 : 758,574.06 = 190,100.26 : x
  2. Step 2: Convert to fraction form
    505,640.62/758,574.06 = 190,100.26/x
  3. Step 3: Cross multiply
    505,640.62x = 758,574.06 × 190,100.26
  4. Step 4: Simplify right side
    505,640.62x = 144,205,126,035.26
  5. Step 5: Solve for x
    x = 144,205,126,035.26/505,640.62
  6. Step 6: Final answer
    x = 285,192.92

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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.