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Finding the Fourth Proportional to 701,785.52, 968,442.18 and 395,857.33

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Solution

The fourth proportional to 701,785.52, 968,442.18 and 395,857.33 is: 546,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,785.52 : 968,442.18 = 395,857.33 : x
  2. Step 2: Convert to fraction form
    701,785.52/968,442.18 = 395,857.33/x
  3. Step 3: Cross multiply
    701,785.52x = 968,442.18 × 395,857.33
  4. Step 4: Simplify right side
    701,785.52x = 383,364,931,728.61
  5. Step 5: Solve for x
    x = 383,364,931,728.61/701,785.52
  6. Step 6: Final answer
    x = 546,270.79

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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.