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Finding the Fourth Proportional to 395,368.05, 593,075.06 and 111,080.76

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Solution

The fourth proportional to 395,368.05, 593,075.06 and 111,080.76 is: 166,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,368.05 : 593,075.06 = 111,080.76 : x
  2. Step 2: Convert to fraction form
    395,368.05/593,075.06 = 111,080.76/x
  3. Step 3: Cross multiply
    395,368.05x = 593,075.06 × 111,080.76
  4. Step 4: Simplify right side
    395,368.05x = 65,879,228,401.85
  5. Step 5: Solve for x
    x = 65,879,228,401.85/395,368.05
  6. Step 6: Final answer
    x = 166,627.60

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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.