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Finding the Fourth Proportional to 335,485.89, 462,794.07 and 199,423.06

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Solution

The fourth proportional to 335,485.89, 462,794.07 and 199,423.06 is: 275,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,485.89 : 462,794.07 = 199,423.06 : x
  2. Step 2: Convert to fraction form
    335,485.89/462,794.07 = 199,423.06/x
  3. Step 3: Cross multiply
    335,485.89x = 462,794.07 × 199,423.06
  4. Step 4: Simplify right side
    335,485.89x = 92,291,808,432.27
  5. Step 5: Solve for x
    x = 92,291,808,432.27/335,485.89
  6. Step 6: Final answer
    x = 275,098.93

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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.