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Finding the Fourth Proportional to 355,566.20, 532,571.70 and 276,056.60

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Solution

The fourth proportional to 355,566.20, 532,571.70 and 276,056.60 is: 413,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,566.20 : 532,571.70 = 276,056.60 : x
  2. Step 2: Convert to fraction form
    355,566.20/532,571.70 = 276,056.60/x
  3. Step 3: Cross multiply
    355,566.20x = 532,571.70 × 276,056.60
  4. Step 4: Simplify right side
    355,566.20x = 147,019,932,758.22
  5. Step 5: Solve for x
    x = 147,019,932,758.22/355,566.20
  6. Step 6: Final answer
    x = 413,481.18

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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.