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Finding the Fourth Proportional to 553,635.03, 764,016.37 and 298,986.22

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Solution

The fourth proportional to 553,635.03, 764,016.37 and 298,986.22 is: 412,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,635.03 : 764,016.37 = 298,986.22 : x
  2. Step 2: Convert to fraction form
    553,635.03/764,016.37 = 298,986.22/x
  3. Step 3: Cross multiply
    553,635.03x = 764,016.37 × 298,986.22
  4. Step 4: Simplify right side
    553,635.03x = 228,430,366,691.98
  5. Step 5: Solve for x
    x = 228,430,366,691.98/553,635.03
  6. Step 6: Final answer
    x = 412,601.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.