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Finding the Fourth Proportional to 701,963.23, 968,709.48 and 396,104.47

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Solution

The fourth proportional to 701,963.23, 968,709.48 and 396,104.47 is: 546,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,963.23 : 968,709.48 = 396,104.47 : x
  2. Step 2: Convert to fraction form
    701,963.23/968,709.48 = 396,104.47/x
  3. Step 3: Cross multiply
    701,963.23x = 968,709.48 × 396,104.47
  4. Step 4: Simplify right side
    701,963.23x = 383,710,155,159.38
  5. Step 5: Solve for x
    x = 383,710,155,159.38/701,963.23
  6. Step 6: Final answer
    x = 546,624.29

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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.