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Finding the Fourth Proportional to 610,553.42, 915,873.84 and 161,269.79

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Solution

The fourth proportional to 610,553.42, 915,873.84 and 161,269.79 is: 241,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,553.42 : 915,873.84 = 161,269.79 : x
  2. Step 2: Convert to fraction form
    610,553.42/915,873.84 = 161,269.79/x
  3. Step 3: Cross multiply
    610,553.42x = 915,873.84 × 161,269.79
  4. Step 4: Simplify right side
    610,553.42x = 147,702,781,843.29
  5. Step 5: Solve for x
    x = 147,702,781,843.29/610,553.42
  6. Step 6: Final answer
    x = 241,916.23

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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.