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Finding the Fourth Proportional to 505,872.99, 758,928.69 and 164,314.89

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Solution

The fourth proportional to 505,872.99, 758,928.69 and 164,314.89 is: 246,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,872.99 : 758,928.69 = 164,314.89 : x
  2. Step 2: Convert to fraction form
    505,872.99/758,928.69 = 164,314.89/x
  3. Step 3: Cross multiply
    505,872.99x = 758,928.69 × 164,314.89
  4. Step 4: Simplify right side
    505,872.99x = 124,703,284,215.19
  5. Step 5: Solve for x
    x = 124,703,284,215.19/505,872.99
  6. Step 6: Final answer
    x = 246,511.05

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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.