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Finding the Fourth Proportional to 519,176.40, 779,112.90 and 182,216.40

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Solution

The fourth proportional to 519,176.40, 779,112.90 and 182,216.40 is: 273,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,176.40 : 779,112.90 = 182,216.40 : x
  2. Step 2: Convert to fraction form
    519,176.40/779,112.90 = 182,216.40/x
  3. Step 3: Cross multiply
    519,176.40x = 779,112.90 × 182,216.40
  4. Step 4: Simplify right side
    519,176.40x = 141,967,147,831.56
  5. Step 5: Solve for x
    x = 141,967,147,831.56/519,176.40
  6. Step 6: Final answer
    x = 273,446.84

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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.