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Finding the Fourth Proportional to 582,389.10, 873,793.89 and 203,365.71

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Solution

The fourth proportional to 582,389.10, 873,793.89 and 203,365.71 is: 305,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,389.10 : 873,793.89 = 203,365.71 : x
  2. Step 2: Convert to fraction form
    582,389.10/873,793.89 = 203,365.71/x
  3. Step 3: Cross multiply
    582,389.10x = 873,793.89 × 203,365.71
  4. Step 4: Simplify right side
    582,389.10x = 177,699,714,833.51
  5. Step 5: Solve for x
    x = 177,699,714,833.51/582,389.10
  6. Step 6: Final answer
    x = 305,121.98

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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.