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Finding the Fourth Proportional to 276,668.55, 415,002.83 and 197,353.35

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Solution

The fourth proportional to 276,668.55, 415,002.83 and 197,353.35 is: 296,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,668.55 : 415,002.83 = 197,353.35 : x
  2. Step 2: Convert to fraction form
    276,668.55/415,002.83 = 197,353.35/x
  3. Step 3: Cross multiply
    276,668.55x = 415,002.83 × 197,353.35
  4. Step 4: Simplify right side
    276,668.55x = 81,902,197,773.21
  5. Step 5: Solve for x
    x = 81,902,197,773.21/276,668.55
  6. Step 6: Final answer
    x = 296,030.03

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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.