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Finding the Fourth Proportional to 449,516.52, 619,910.10 and 335,048.94

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Solution

The fourth proportional to 449,516.52, 619,910.10 and 335,048.94 is: 462,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,516.52 : 619,910.10 = 335,048.94 : x
  2. Step 2: Convert to fraction form
    449,516.52/619,910.10 = 335,048.94/x
  3. Step 3: Cross multiply
    449,516.52x = 619,910.10 × 335,048.94
  4. Step 4: Simplify right side
    449,516.52x = 207,700,221,900.29
  5. Step 5: Solve for x
    x = 207,700,221,900.29/449,516.52
  6. Step 6: Final answer
    x = 462,052.48

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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.