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Finding the Fourth Proportional to 701,726.63, 968,382.07 and 379,435.96

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Solution

The fourth proportional to 701,726.63, 968,382.07 and 379,435.96 is: 523,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,726.63 : 968,382.07 = 379,435.96 : x
  2. Step 2: Convert to fraction form
    701,726.63/968,382.07 = 379,435.96/x
  3. Step 3: Cross multiply
    701,726.63x = 968,382.07 × 379,435.96
  4. Step 4: Simplify right side
    701,726.63x = 367,438,978,154.51
  5. Step 5: Solve for x
    x = 367,438,978,154.51/701,726.63
  6. Step 6: Final answer
    x = 523,621.25

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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.