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Finding the Fourth Proportional to 366,012.16, 505,024.99 and 229,967.29

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Solution

The fourth proportional to 366,012.16, 505,024.99 and 229,967.29 is: 317,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,012.16 : 505,024.99 = 229,967.29 : x
  2. Step 2: Convert to fraction form
    366,012.16/505,024.99 = 229,967.29/x
  3. Step 3: Cross multiply
    366,012.16x = 505,024.99 × 229,967.29
  4. Step 4: Simplify right side
    366,012.16x = 116,139,228,332.58
  5. Step 5: Solve for x
    x = 116,139,228,332.58/366,012.16
  6. Step 6: Final answer
    x = 317,309.76

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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.