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Finding the Fourth Proportional to 505,336.32, 758,177.28 and 225,048.96

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Solution

The fourth proportional to 505,336.32, 758,177.28 and 225,048.96 is: 337,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,336.32 : 758,177.28 = 225,048.96 : x
  2. Step 2: Convert to fraction form
    505,336.32/758,177.28 = 225,048.96/x
  3. Step 3: Cross multiply
    505,336.32x = 758,177.28 × 225,048.96
  4. Step 4: Simplify right side
    505,336.32x = 170,627,008,359.63
  5. Step 5: Solve for x
    x = 170,627,008,359.63/505,336.32
  6. Step 6: Final answer
    x = 337,650.40

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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.