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Finding the Fourth Proportional to 352,523.41, 486,485.81 and 191,379.79

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Solution

The fourth proportional to 352,523.41, 486,485.81 and 191,379.79 is: 264,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,523.41 : 486,485.81 = 191,379.79 : x
  2. Step 2: Convert to fraction form
    352,523.41/486,485.81 = 191,379.79/x
  3. Step 3: Cross multiply
    352,523.41x = 486,485.81 × 191,379.79
  4. Step 4: Simplify right side
    352,523.41x = 93,103,552,155.78
  5. Step 5: Solve for x
    x = 93,103,552,155.78/352,523.41
  6. Step 6: Final answer
    x = 264,106.01

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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.