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Finding the Fourth Proportional to 701,348.42, 967,841.46 and 395,422.12

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Solution

The fourth proportional to 701,348.42, 967,841.46 and 395,422.12 is: 545,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,348.42 : 967,841.46 = 395,422.12 : x
  2. Step 2: Convert to fraction form
    701,348.42/967,841.46 = 395,422.12/x
  3. Step 3: Cross multiply
    701,348.42x = 967,841.46 × 395,422.12
  4. Step 4: Simplify right side
    701,348.42x = 382,705,923,146.90
  5. Step 5: Solve for x
    x = 382,705,923,146.90/701,348.42
  6. Step 6: Final answer
    x = 545,671.61

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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.