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Finding the Fourth Proportional to 505,872.17, 758,890.61 and 236,269.91

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Solution

The fourth proportional to 505,872.17, 758,890.61 and 236,269.91 is: 354,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,872.17 : 758,890.61 = 236,269.91 : x
  2. Step 2: Convert to fraction form
    505,872.17/758,890.61 = 236,269.91/x
  3. Step 3: Cross multiply
    505,872.17x = 758,890.61 × 236,269.91
  4. Step 4: Simplify right side
    505,872.17x = 179,303,014,943.20
  5. Step 5: Solve for x
    x = 179,303,014,943.20/505,872.17
  6. Step 6: Final answer
    x = 354,443.33

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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.