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Finding the Fourth Proportional to 954.02, 1,431.67 and 467.41

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Solution

The fourth proportional to 954.02, 1,431.67 and 467.41 is: 701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.02 : 1,431.67 = 467.41 : x
  2. Step 2: Convert to fraction form
    954.02/1,431.67 = 467.41/x
  3. Step 3: Cross multiply
    954.02x = 1,431.67 × 467.41
  4. Step 4: Simplify right side
    954.02x = 669,176.87
  5. Step 5: Solve for x
    x = 669,176.87/954.02
  6. Step 6: Final answer
    x = 701.43

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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.