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Finding the Fourth Proportional to 701,695.68, 968,339.44 and 379,405.56

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Solution

The fourth proportional to 701,695.68, 968,339.44 and 379,405.56 is: 523,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,695.68 : 968,339.44 = 379,405.56 : x
  2. Step 2: Convert to fraction form
    701,695.68/968,339.44 = 379,405.56/x
  3. Step 3: Cross multiply
    701,695.68x = 968,339.44 × 379,405.56
  4. Step 4: Simplify right side
    701,695.68x = 367,393,367,503.29
  5. Step 5: Solve for x
    x = 367,393,367,503.29/701,695.68
  6. Step 6: Final answer
    x = 523,579.35

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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.