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Finding the Fourth Proportional to 352,466.69, 486,406.44 and 191,321.69

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Solution

The fourth proportional to 352,466.69, 486,406.44 and 191,321.69 is: 264,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,466.69 : 486,406.44 = 191,321.69 : x
  2. Step 2: Convert to fraction form
    352,466.69/486,406.44 = 191,321.69/x
  3. Step 3: Cross multiply
    352,466.69x = 486,406.44 × 191,321.69
  4. Step 4: Simplify right side
    352,466.69x = 93,060,099,695.65
  5. Step 5: Solve for x
    x = 93,060,099,695.65/352,466.69
  6. Step 6: Final answer
    x = 264,025.24

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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.