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Finding the Fourth Proportional to 701,765.15, 968,436.93 and 379,475.25

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Solution

The fourth proportional to 701,765.15, 968,436.93 and 379,475.25 is: 523,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,765.15 : 968,436.93 = 379,475.25 : x
  2. Step 2: Convert to fraction form
    701,765.15/968,436.93 = 379,475.25/x
  3. Step 3: Cross multiply
    701,765.15x = 968,436.93 × 379,475.25
  4. Step 4: Simplify right side
    701,765.15x = 367,497,846,120.98
  5. Step 5: Solve for x
    x = 367,497,846,120.98/701,765.15
  6. Step 6: Final answer
    x = 523,676.40

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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.