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Finding the Fourth Proportional to 946.44, 1,416.62 and 506.59

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Solution

The fourth proportional to 946.44, 1,416.62 and 506.59 is: 758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.44 : 1,416.62 = 506.59 : x
  2. Step 2: Convert to fraction form
    946.44/1,416.62 = 506.59/x
  3. Step 3: Cross multiply
    946.44x = 1,416.62 × 506.59
  4. Step 4: Simplify right side
    946.44x = 717,635.91
  5. Step 5: Solve for x
    x = 717,635.91/946.44
  6. Step 6: Final answer
    x = 758.25

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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.