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Finding the Fourth Proportional to 701,785.32, 968,441.88 and 395,857.23

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Solution

The fourth proportional to 701,785.32, 968,441.88 and 395,857.23 is: 546,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,785.32 : 968,441.88 = 395,857.23 : x
  2. Step 2: Convert to fraction form
    701,785.32/968,441.88 = 395,857.23/x
  3. Step 3: Cross multiply
    701,785.32x = 968,441.88 × 395,857.23
  4. Step 4: Simplify right side
    701,785.32x = 383,364,720,032.79
  5. Step 5: Solve for x
    x = 383,364,720,032.79/701,785.32
  6. Step 6: Final answer
    x = 546,270.65

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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.