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Finding the Fourth Proportional to 245,983.80, 368,975.70 and 223,822.20

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Solution

The fourth proportional to 245,983.80, 368,975.70 and 223,822.20 is: 335,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,983.80 : 368,975.70 = 223,822.20 : x
  2. Step 2: Convert to fraction form
    245,983.80/368,975.70 = 223,822.20/x
  3. Step 3: Cross multiply
    245,983.80x = 368,975.70 × 223,822.20
  4. Step 4: Simplify right side
    245,983.80x = 82,584,952,920.54
  5. Step 5: Solve for x
    x = 82,584,952,920.54/245,983.80
  6. Step 6: Final answer
    x = 335,733.30

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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.