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Finding the Fourth Proportional to 716.01, 1,073.36 and 368.58

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Solution

The fourth proportional to 716.01, 1,073.36 and 368.58 is: 552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.01 : 1,073.36 = 368.58 : x
  2. Step 2: Convert to fraction form
    716.01/1,073.36 = 368.58/x
  3. Step 3: Cross multiply
    716.01x = 1,073.36 × 368.58
  4. Step 4: Simplify right side
    716.01x = 395,617.19
  5. Step 5: Solve for x
    x = 395,617.19/716.01
  6. Step 6: Final answer
    x = 552.53

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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.