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Finding the Fourth Proportional to 505,233.45, 757,764.03 and 168,235.86

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Solution

The fourth proportional to 505,233.45, 757,764.03 and 168,235.86 is: 252,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,233.45 : 757,764.03 = 168,235.86 : x
  2. Step 2: Convert to fraction form
    505,233.45/757,764.03 = 168,235.86/x
  3. Step 3: Cross multiply
    505,233.45x = 757,764.03 × 168,235.86
  4. Step 4: Simplify right side
    505,233.45x = 127,483,083,264.12
  5. Step 5: Solve for x
    x = 127,483,083,264.12/505,233.45
  6. Step 6: Final answer
    x = 252,325.10

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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.