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Finding the Fourth Proportional to 1,034.44, 1,551.35 and 303.84

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Solution

The fourth proportional to 1,034.44, 1,551.35 and 303.84 is: 455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.44 : 1,551.35 = 303.84 : x
  2. Step 2: Convert to fraction form
    1,034.44/1,551.35 = 303.84/x
  3. Step 3: Cross multiply
    1,034.44x = 1,551.35 × 303.84
  4. Step 4: Simplify right side
    1,034.44x = 471,362.94
  5. Step 5: Solve for x
    x = 471,362.94/1,034.44
  6. Step 6: Final answer
    x = 455.67

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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.