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Finding the Fourth Proportional to 303,590.23, 454,676.90 and 239,983.36

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Solution

The fourth proportional to 303,590.23, 454,676.90 and 239,983.36 is: 359,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,590.23 : 454,676.90 = 239,983.36 : x
  2. Step 2: Convert to fraction form
    303,590.23/454,676.90 = 239,983.36/x
  3. Step 3: Cross multiply
    303,590.23x = 454,676.90 × 239,983.36
  4. Step 4: Simplify right side
    303,590.23x = 109,114,887,839.78
  5. Step 5: Solve for x
    x = 109,114,887,839.78/303,590.23
  6. Step 6: Final answer
    x = 359,415.02

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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.