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Finding the Fourth Proportional to 610,311.44, 915,362.66 and 161,036.96

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Solution

The fourth proportional to 610,311.44, 915,362.66 and 161,036.96 is: 241,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,311.44 : 915,362.66 = 161,036.96 : x
  2. Step 2: Convert to fraction form
    610,311.44/915,362.66 = 161,036.96/x
  3. Step 3: Cross multiply
    610,311.44x = 915,362.66 × 161,036.96
  4. Step 4: Simplify right side
    610,311.44x = 147,407,214,681.92
  5. Step 5: Solve for x
    x = 147,407,214,681.92/610,311.44
  6. Step 6: Final answer
    x = 241,527.86

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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.