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Finding the Fourth Proportional to 701,878.86, 968,589.92 and 379,588.19

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Solution

The fourth proportional to 701,878.86, 968,589.92 and 379,588.19 is: 523,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,878.86 : 968,589.92 = 379,588.19 : x
  2. Step 2: Convert to fraction form
    701,878.86/968,589.92 = 379,588.19/x
  3. Step 3: Cross multiply
    701,878.86x = 968,589.92 × 379,588.19
  4. Step 4: Simplify right side
    701,878.86x = 367,665,298,049.06
  5. Step 5: Solve for x
    x = 367,665,298,049.06/701,878.86
  6. Step 6: Final answer
    x = 523,830.13

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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.