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Finding the Fourth Proportional to 608,817.54, 913,541.31 and 441,717.09

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Solution

The fourth proportional to 608,817.54, 913,541.31 and 441,717.09 is: 662,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,817.54 : 913,541.31 = 441,717.09 : x
  2. Step 2: Convert to fraction form
    608,817.54/913,541.31 = 441,717.09/x
  3. Step 3: Cross multiply
    608,817.54x = 913,541.31 × 441,717.09
  4. Step 4: Simplify right side
    608,817.54x = 403,526,809,047.99
  5. Step 5: Solve for x
    x = 403,526,809,047.99/608,817.54
  6. Step 6: Final answer
    x = 662,804.18

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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.