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Finding the Fourth Proportional to 701,842.29, 968,544.57 and 379,554.63

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Solution

The fourth proportional to 701,842.29, 968,544.57 and 379,554.63 is: 523,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,842.29 : 968,544.57 = 379,554.63 : x
  2. Step 2: Convert to fraction form
    701,842.29/968,544.57 = 379,554.63/x
  3. Step 3: Cross multiply
    701,842.29x = 968,544.57 × 379,554.63
  4. Step 4: Simplify right side
    701,842.29x = 367,615,575,904.86
  5. Step 5: Solve for x
    x = 367,615,575,904.86/701,842.29
  6. Step 6: Final answer
    x = 523,786.58

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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.