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Finding the Fourth Proportional to 701,334.45, 967,792.95 and 395,421.75

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Solution

The fourth proportional to 701,334.45, 967,792.95 and 395,421.75 is: 545,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,334.45 : 967,792.95 = 395,421.75 : x
  2. Step 2: Convert to fraction form
    701,334.45/967,792.95 = 395,421.75/x
  3. Step 3: Cross multiply
    701,334.45x = 967,792.95 × 395,421.75
  4. Step 4: Simplify right side
    701,334.45x = 382,686,381,926.66
  5. Step 5: Solve for x
    x = 382,686,381,926.66/701,334.45
  6. Step 6: Final answer
    x = 545,654.62

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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.