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Finding the Fourth Proportional to 239,814.16, 330,983.56 and 229,185.04

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Solution

The fourth proportional to 239,814.16, 330,983.56 and 229,185.04 is: 316,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,814.16 : 330,983.56 = 229,185.04 : x
  2. Step 2: Convert to fraction form
    239,814.16/330,983.56 = 229,185.04/x
  3. Step 3: Cross multiply
    239,814.16x = 330,983.56 × 229,185.04
  4. Step 4: Simplify right side
    239,814.16x = 75,856,480,437.94
  5. Step 5: Solve for x
    x = 75,856,480,437.94/239,814.16
  6. Step 6: Final answer
    x = 316,313.60

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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.