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Finding the Fourth Proportional to 582.14, 873.32 and 308.46

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Solution

The fourth proportional to 582.14, 873.32 and 308.46 is: 462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.14 : 873.32 = 308.46 : x
  2. Step 2: Convert to fraction form
    582.14/873.32 = 308.46/x
  3. Step 3: Cross multiply
    582.14x = 873.32 × 308.46
  4. Step 4: Simplify right side
    582.14x = 269,386.02
  5. Step 5: Solve for x
    x = 269,386.02/582.14
  6. Step 6: Final answer
    x = 462.75

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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.