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Finding the Fourth Proportional to 366,011.91, 505,024.64 and 229,967.04

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Solution

The fourth proportional to 366,011.91, 505,024.64 and 229,967.04 is: 317,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,011.91 : 505,024.64 = 229,967.04 : x
  2. Step 2: Convert to fraction form
    366,011.91/505,024.64 = 229,967.04/x
  3. Step 3: Cross multiply
    366,011.91x = 505,024.64 × 229,967.04
  4. Step 4: Simplify right side
    366,011.91x = 116,139,022,162.78
  5. Step 5: Solve for x
    x = 116,139,022,162.78/366,011.91
  6. Step 6: Final answer
    x = 317,309.41

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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.