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Finding the Fourth Proportional to 610,552.42, 915,872.34 and 161,268.79

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Solution

The fourth proportional to 610,552.42, 915,872.34 and 161,268.79 is: 241,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,552.42 : 915,872.34 = 161,268.79 : x
  2. Step 2: Convert to fraction form
    610,552.42/915,872.34 = 161,268.79/x
  3. Step 3: Cross multiply
    610,552.42x = 915,872.34 × 161,268.79
  4. Step 4: Simplify right side
    610,552.42x = 147,701,624,066.27
  5. Step 5: Solve for x
    x = 147,701,624,066.27/610,552.42
  6. Step 6: Final answer
    x = 241,914.73

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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.