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Finding the Fourth Proportional to 610,550.26, 915,869.13 and 161,266.65

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Solution

The fourth proportional to 610,550.26, 915,869.13 and 161,266.65 is: 241,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,550.26 : 915,869.13 = 161,266.65 : x
  2. Step 2: Convert to fraction form
    610,550.26/915,869.13 = 161,266.65/x
  3. Step 3: Cross multiply
    610,550.26x = 915,869.13 × 161,266.65
  4. Step 4: Simplify right side
    610,550.26x = 147,699,146,433.52
  5. Step 5: Solve for x
    x = 147,699,146,433.52/610,550.26
  6. Step 6: Final answer
    x = 241,911.53

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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.