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Finding the Fourth Proportional to 1,304.91, 1,956 and 482.67

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Solution

The fourth proportional to 1,304.91, 1,956 and 482.67 is: 723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.91 : 1,956 = 482.67 : x
  2. Step 2: Convert to fraction form
    1,304.91/1,956 = 482.67/x
  3. Step 3: Cross multiply
    1,304.91x = 1,956 × 482.67
  4. Step 4: Simplify right side
    1,304.91x = 944,102.52
  5. Step 5: Solve for x
    x = 944,102.52/1,304.91
  6. Step 6: Final answer
    x = 723.50

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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.