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Finding the Fourth Proportional to 701,366.97, 967,867 and 395,440.63

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Solution

The fourth proportional to 701,366.97, 967,867 and 395,440.63 is: 545,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,366.97 : 967,867 = 395,440.63 : x
  2. Step 2: Convert to fraction form
    701,366.97/967,867 = 395,440.63/x
  3. Step 3: Cross multiply
    701,366.97x = 967,867 × 395,440.63
  4. Step 4: Simplify right side
    701,366.97x = 382,733,938,655.88
  5. Step 5: Solve for x
    x = 382,733,938,655.88/701,366.97
  6. Step 6: Final answer
    x = 545,697.13

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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.