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Finding the Fourth Proportional to 701,741.70, 968,402.86 and 379,451.03

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Solution

The fourth proportional to 701,741.70, 968,402.86 and 379,451.03 is: 523,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,741.70 : 968,402.86 = 379,451.03 : x
  2. Step 2: Convert to fraction form
    701,741.70/968,402.86 = 379,451.03/x
  3. Step 3: Cross multiply
    701,741.70x = 968,402.86 × 379,451.03
  4. Step 4: Simplify right side
    701,741.70x = 367,461,456,891.30
  5. Step 5: Solve for x
    x = 367,461,456,891.30/701,741.70
  6. Step 6: Final answer
    x = 523,642.04

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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.