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Finding the Fourth Proportional to 701,743.34, 968,405.13 and 379,452.67

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Solution

The fourth proportional to 701,743.34, 968,405.13 and 379,452.67 is: 523,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,743.34 : 968,405.13 = 379,452.67 : x
  2. Step 2: Convert to fraction form
    701,743.34/968,405.13 = 379,452.67/x
  3. Step 3: Cross multiply
    701,743.34x = 968,405.13 × 379,452.67
  4. Step 4: Simplify right side
    701,743.34x = 367,463,912,220.20
  5. Step 5: Solve for x
    x = 367,463,912,220.20/701,743.34
  6. Step 6: Final answer
    x = 523,644.32

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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.