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Finding the Fourth Proportional to 505,837.80, 758,807.70 and 164,266.92

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Solution

The fourth proportional to 505,837.80, 758,807.70 and 164,266.92 is: 246,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,837.80 : 758,807.70 = 164,266.92 : x
  2. Step 2: Convert to fraction form
    505,837.80/758,807.70 = 164,266.92/x
  3. Step 3: Cross multiply
    505,837.80x = 758,807.70 × 164,266.92
  4. Step 4: Simplify right side
    505,837.80x = 124,647,003,751.28
  5. Step 5: Solve for x
    x = 124,647,003,751.28/505,837.80
  6. Step 6: Final answer
    x = 246,416.94

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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.