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Finding the Fourth Proportional to 955.02, 1,317.68 and 582.02

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Solution

The fourth proportional to 955.02, 1,317.68 and 582.02 is: 803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.02 : 1,317.68 = 582.02 : x
  2. Step 2: Convert to fraction form
    955.02/1,317.68 = 582.02/x
  3. Step 3: Cross multiply
    955.02x = 1,317.68 × 582.02
  4. Step 4: Simplify right side
    955.02x = 766,916.11
  5. Step 5: Solve for x
    x = 766,916.11/955.02
  6. Step 6: Final answer
    x = 803.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.