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Finding the Fourth Proportional to 433,028.76, 649,674.36 and 196,307.88

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Solution

The fourth proportional to 433,028.76, 649,674.36 and 196,307.88 is: 294,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,028.76 : 649,674.36 = 196,307.88 : x
  2. Step 2: Convert to fraction form
    433,028.76/649,674.36 = 196,307.88/x
  3. Step 3: Cross multiply
    433,028.76x = 649,674.36 × 196,307.88
  4. Step 4: Simplify right side
    433,028.76x = 127,536,196,301.96
  5. Step 5: Solve for x
    x = 127,536,196,301.96/433,028.76
  6. Step 6: Final answer
    x = 294,521.31

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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.