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Finding the Fourth Proportional to 505,699.41, 758,295.15 and 168,620.73

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Solution

The fourth proportional to 505,699.41, 758,295.15 and 168,620.73 is: 252,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,699.41 : 758,295.15 = 168,620.73 : x
  2. Step 2: Convert to fraction form
    505,699.41/758,295.15 = 168,620.73/x
  3. Step 3: Cross multiply
    505,699.41x = 758,295.15 × 168,620.73
  4. Step 4: Simplify right side
    505,699.41x = 127,864,281,748.46
  5. Step 5: Solve for x
    x = 127,864,281,748.46/505,699.41
  6. Step 6: Final answer
    x = 252,846.41

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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.