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Finding the Fourth Proportional to 395,880.91, 593,774.58 and 111,592.78

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Solution

The fourth proportional to 395,880.91, 593,774.58 and 111,592.78 is: 167,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,880.91 : 593,774.58 = 111,592.78 : x
  2. Step 2: Convert to fraction form
    395,880.91/593,774.58 = 111,592.78/x
  3. Step 3: Cross multiply
    395,880.91x = 593,774.58 × 111,592.78
  4. Step 4: Simplify right side
    395,880.91x = 66,260,956,075.53
  5. Step 5: Solve for x
    x = 66,260,956,075.53/395,880.91
  6. Step 6: Final answer
    x = 167,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.