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Finding the Fourth Proportional to 973.32, 1,460.34 and 791.16

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Solution

The fourth proportional to 973.32, 1,460.34 and 791.16 is: 1,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.32 : 1,460.34 = 791.16 : x
  2. Step 2: Convert to fraction form
    973.32/1,460.34 = 791.16/x
  3. Step 3: Cross multiply
    973.32x = 1,460.34 × 791.16
  4. Step 4: Simplify right side
    973.32x = 1,155,362.59
  5. Step 5: Solve for x
    x = 1,155,362.59/973.32
  6. Step 6: Final answer
    x = 1,187.03

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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.