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Finding the Fourth Proportional to 582.27, 873.27 and 339

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Solution

The fourth proportional to 582.27, 873.27 and 339 is: 508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.27 : 873.27 = 339 : x
  2. Step 2: Convert to fraction form
    582.27/873.27 = 339/x
  3. Step 3: Cross multiply
    582.27x = 873.27 × 339
  4. Step 4: Simplify right side
    582.27x = 296,038.53
  5. Step 5: Solve for x
    x = 296,038.53/582.27
  6. Step 6: Final answer
    x = 508.42

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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.