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Finding the Fourth Proportional to 552,296.08, 830,004.20 and 327,698.76

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Solution

The fourth proportional to 552,296.08, 830,004.20 and 327,698.76 is: 492,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,296.08 : 830,004.20 = 327,698.76 : x
  2. Step 2: Convert to fraction form
    552,296.08/830,004.20 = 327,698.76/x
  3. Step 3: Cross multiply
    552,296.08x = 830,004.20 × 327,698.76
  4. Step 4: Simplify right side
    552,296.08x = 271,991,347,134.79
  5. Step 5: Solve for x
    x = 271,991,347,134.79/552,296.08
  6. Step 6: Final answer
    x = 492,473.80

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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.