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Finding the Fourth Proportional to 608,906.56, 913,495.92 and 293,628.64

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Solution

The fourth proportional to 608,906.56, 913,495.92 and 293,628.64 is: 440,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,906.56 : 913,495.92 = 293,628.64 : x
  2. Step 2: Convert to fraction form
    608,906.56/913,495.92 = 293,628.64/x
  3. Step 3: Cross multiply
    608,906.56x = 913,495.92 × 293,628.64
  4. Step 4: Simplify right side
    608,906.56x = 268,228,564,635.15
  5. Step 5: Solve for x
    x = 268,228,564,635.15/608,906.56
  6. Step 6: Final answer
    x = 440,508.58

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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.