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Finding the Fourth Proportional to 370,913.40, 556,183.80 and 181,388.52

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Solution

The fourth proportional to 370,913.40, 556,183.80 and 181,388.52 is: 271,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,913.40 : 556,183.80 = 181,388.52 : x
  2. Step 2: Convert to fraction form
    370,913.40/556,183.80 = 181,388.52/x
  3. Step 3: Cross multiply
    370,913.40x = 556,183.80 × 181,388.52
  4. Step 4: Simplify right side
    370,913.40x = 100,885,356,329.98
  5. Step 5: Solve for x
    x = 100,885,356,329.98/370,913.40
  6. Step 6: Final answer
    x = 271,991.67

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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.