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Finding the Fourth Proportional to 954.03, 1,429.72 and 460.63

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Solution

The fourth proportional to 954.03, 1,429.72 and 460.63 is: 690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.03 : 1,429.72 = 460.63 : x
  2. Step 2: Convert to fraction form
    954.03/1,429.72 = 460.63/x
  3. Step 3: Cross multiply
    954.03x = 1,429.72 × 460.63
  4. Step 4: Simplify right side
    954.03x = 658,571.92
  5. Step 5: Solve for x
    x = 658,571.92/954.03
  6. Step 6: Final answer
    x = 690.31

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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.