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Finding the Fourth Proportional to 608,736.66, 913,229.53 and 209,325.56

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Solution

The fourth proportional to 608,736.66, 913,229.53 and 209,325.56 is: 314,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736.66 : 913,229.53 = 209,325.56 : x
  2. Step 2: Convert to fraction form
    608,736.66/913,229.53 = 209,325.56/x
  3. Step 3: Cross multiply
    608,736.66x = 913,229.53 × 209,325.56
  4. Step 4: Simplify right side
    608,736.66x = 191,162,282,775.79
  5. Step 5: Solve for x
    x = 191,162,282,775.79/608,736.66
  6. Step 6: Final answer
    x = 314,031.17

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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.