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Finding the Fourth Proportional to 363,509.57, 501,316.64 and 227,555.91

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Solution

The fourth proportional to 363,509.57, 501,316.64 and 227,555.91 is: 313,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,509.57 : 501,316.64 = 227,555.91 : x
  2. Step 2: Convert to fraction form
    363,509.57/501,316.64 = 227,555.91/x
  3. Step 3: Cross multiply
    363,509.57x = 501,316.64 × 227,555.91
  4. Step 4: Simplify right side
    363,509.57x = 114,077,565,722.20
  5. Step 5: Solve for x
    x = 114,077,565,722.20/363,509.57
  6. Step 6: Final answer
    x = 313,822.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.