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Finding the Fourth Proportional to 609,566.55, 914,393.66 and 210,201.57

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Solution

The fourth proportional to 609,566.55, 914,393.66 and 210,201.57 is: 315,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,566.55 : 914,393.66 = 210,201.57 : x
  2. Step 2: Convert to fraction form
    609,566.55/914,393.66 = 210,201.57/x
  3. Step 3: Cross multiply
    609,566.55x = 914,393.66 × 210,201.57
  4. Step 4: Simplify right side
    609,566.55x = 192,206,981,879.04
  5. Step 5: Solve for x
    x = 192,206,981,879.04/609,566.55
  6. Step 6: Final answer
    x = 315,317.47

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1.5x scale

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.