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Finding the Fourth Proportional to 349,145.74, 481,805.74 and 203,964.96

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Solution

The fourth proportional to 349,145.74, 481,805.74 and 203,964.96 is: 281,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,145.74 : 481,805.74 = 203,964.96 : x
  2. Step 2: Convert to fraction form
    349,145.74/481,805.74 = 203,964.96/x
  3. Step 3: Cross multiply
    349,145.74x = 481,805.74 × 203,964.96
  4. Step 4: Simplify right side
    349,145.74x = 98,271,491,291.64
  5. Step 5: Solve for x
    x = 98,271,491,291.64/349,145.74
  6. Step 6: Final answer
    x = 281,462.67

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1.5x scale

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.