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Finding the Fourth Proportional to 303,402.35, 454,971.15 and 161,213.33

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Solution

The fourth proportional to 303,402.35, 454,971.15 and 161,213.33 is: 241,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,402.35 : 454,971.15 = 161,213.33 : x
  2. Step 2: Convert to fraction form
    303,402.35/454,971.15 = 161,213.33/x
  3. Step 3: Cross multiply
    303,402.35x = 454,971.15 × 161,213.33
  4. Step 4: Simplify right side
    303,402.35x = 73,347,411,870.57
  5. Step 5: Solve for x
    x = 73,347,411,870.57/303,402.35
  6. Step 6: Final answer
    x = 241,749.65

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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.