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Finding the Fourth Proportional to 355,583.85, 532,079.78 and 222,527.85

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Solution

The fourth proportional to 355,583.85, 532,079.78 and 222,527.85 is: 332,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,583.85 : 532,079.78 = 222,527.85 : x
  2. Step 2: Convert to fraction form
    355,583.85/532,079.78 = 222,527.85/x
  3. Step 3: Cross multiply
    355,583.85x = 532,079.78 × 222,527.85
  4. Step 4: Simplify right side
    355,583.85x = 118,402,568,359.23
  5. Step 5: Solve for x
    x = 118,402,568,359.23/355,583.85
  6. Step 6: Final answer
    x = 332,980.73

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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.