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Finding the Fourth Proportional to 517,777.44, 776,711.07 and 158,029.38

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Solution

The fourth proportional to 517,777.44, 776,711.07 and 158,029.38 is: 237,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,777.44 : 776,711.07 = 158,029.38 : x
  2. Step 2: Convert to fraction form
    517,777.44/776,711.07 = 158,029.38/x
  3. Step 3: Cross multiply
    517,777.44x = 776,711.07 × 158,029.38
  4. Step 4: Simplify right side
    517,777.44x = 122,743,168,831.24
  5. Step 5: Solve for x
    x = 122,743,168,831.24/517,777.44
  6. Step 6: Final answer
    x = 237,057.78

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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.