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Finding the Fourth Proportional to 613,647, 846,831.96 and 341,738.70

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Solution

The fourth proportional to 613,647, 846,831.96 and 341,738.70 is: 471,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,647 : 846,831.96 = 341,738.70 : x
  2. Step 2: Convert to fraction form
    613,647/846,831.96 = 341,738.70/x
  3. Step 3: Cross multiply
    613,647x = 846,831.96 × 341,738.70
  4. Step 4: Simplify right side
    613,647x = 289,395,253,128.85
  5. Step 5: Solve for x
    x = 289,395,253,128.85/613,647
  6. Step 6: Final answer
    x = 471,598.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.