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Finding the Fourth Proportional to 582.49, 873.46 and 339.08

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Solution

The fourth proportional to 582.49, 873.46 and 339.08 is: 508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.49 : 873.46 = 339.08 : x
  2. Step 2: Convert to fraction form
    582.49/873.46 = 339.08/x
  3. Step 3: Cross multiply
    582.49x = 873.46 × 339.08
  4. Step 4: Simplify right side
    582.49x = 296,171.12
  5. Step 5: Solve for x
    x = 296,171.12/582.49
  6. Step 6: Final answer
    x = 508.46

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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.