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Finding the Fourth Proportional to 383,571.66, 529,555.69 and 341,012.39

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Solution

The fourth proportional to 383,571.66, 529,555.69 and 341,012.39 is: 470,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,571.66 : 529,555.69 = 341,012.39 : x
  2. Step 2: Convert to fraction form
    383,571.66/529,555.69 = 341,012.39/x
  3. Step 3: Cross multiply
    383,571.66x = 529,555.69 × 341,012.39
  4. Step 4: Simplify right side
    383,571.66x = 180,585,050,324.04
  5. Step 5: Solve for x
    x = 180,585,050,324.04/383,571.66
  6. Step 6: Final answer
    x = 470,798.73

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1.5x scale

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.