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Finding the Fourth Proportional to 701,925.40, 968,653.98 and 379,635.88

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Solution

The fourth proportional to 701,925.40, 968,653.98 and 379,635.88 is: 523,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,925.40 : 968,653.98 = 379,635.88 : x
  2. Step 2: Convert to fraction form
    701,925.40/968,653.98 = 379,635.88/x
  3. Step 3: Cross multiply
    701,925.40x = 968,653.98 × 379,635.88
  4. Step 4: Simplify right side
    701,925.40x = 367,735,806,112.80
  5. Step 5: Solve for x
    x = 367,735,806,112.80/701,925.40
  6. Step 6: Final answer
    x = 523,895.85

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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.