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Finding the Fourth Proportional to 973.32, 1,460 and 825.68

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Solution

The fourth proportional to 973.32, 1,460 and 825.68 is: 1,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.32 : 1,460 = 825.68 : x
  2. Step 2: Convert to fraction form
    973.32/1,460 = 825.68/x
  3. Step 3: Cross multiply
    973.32x = 1,460 × 825.68
  4. Step 4: Simplify right side
    973.32x = 1,205,492.80
  5. Step 5: Solve for x
    x = 1,205,492.80/973.32
  6. Step 6: Final answer
    x = 1,238.54

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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.