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Finding the Fourth Proportional to 608,930.40, 913,598.44 and 204,162.66

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Solution

The fourth proportional to 608,930.40, 913,598.44 and 204,162.66 is: 306,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,930.40 : 913,598.44 = 204,162.66 : x
  2. Step 2: Convert to fraction form
    608,930.40/913,598.44 = 204,162.66/x
  3. Step 3: Cross multiply
    608,930.40x = 913,598.44 × 204,162.66
  4. Step 4: Simplify right side
    608,930.40x = 186,522,687,682.25
  5. Step 5: Solve for x
    x = 186,522,687,682.25/608,930.40
  6. Step 6: Final answer
    x = 306,312.00

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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.