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Finding the Fourth Proportional to 964.02, 1,447.29 and 597.66

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Solution

The fourth proportional to 964.02, 1,447.29 and 597.66 is: 897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.02 : 1,447.29 = 597.66 : x
  2. Step 2: Convert to fraction form
    964.02/1,447.29 = 597.66/x
  3. Step 3: Cross multiply
    964.02x = 1,447.29 × 597.66
  4. Step 4: Simplify right side
    964.02x = 864,987.34
  5. Step 5: Solve for x
    x = 864,987.34/964.02
  6. Step 6: Final answer
    x = 897.27

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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.