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Finding the Fourth Proportional to 400,703.57, 600,916.97 and 116,317.03

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Solution

The fourth proportional to 400,703.57, 600,916.97 and 116,317.03 is: 174,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,703.57 : 600,916.97 = 116,317.03 : x
  2. Step 2: Convert to fraction form
    400,703.57/600,916.97 = 116,317.03/x
  3. Step 3: Cross multiply
    400,703.57x = 600,916.97 × 116,317.03
  4. Step 4: Simplify right side
    400,703.57x = 69,896,875,143.12
  5. Step 5: Solve for x
    x = 69,896,875,143.12/400,703.57
  6. Step 6: Final answer
    x = 174,435.37

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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.