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Finding the Fourth Proportional to 407,301.96, 610,753.08 and 167,372.40

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Solution

The fourth proportional to 407,301.96, 610,753.08 and 167,372.40 is: 250,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,301.96 : 610,753.08 = 167,372.40 : x
  2. Step 2: Convert to fraction form
    407,301.96/610,753.08 = 167,372.40/x
  3. Step 3: Cross multiply
    407,301.96x = 610,753.08 × 167,372.40
  4. Step 4: Simplify right side
    407,301.96x = 102,223,208,806.99
  5. Step 5: Solve for x
    x = 102,223,208,806.99/407,301.96
  6. Step 6: Final answer
    x = 250,976.47

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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.