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Finding the Fourth Proportional to 585.24, 807.70 and 352.44

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Solution

The fourth proportional to 585.24, 807.70 and 352.44 is: 486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.24 : 807.70 = 352.44 : x
  2. Step 2: Convert to fraction form
    585.24/807.70 = 352.44/x
  3. Step 3: Cross multiply
    585.24x = 807.70 × 352.44
  4. Step 4: Simplify right side
    585.24x = 284,665.79
  5. Step 5: Solve for x
    x = 284,665.79/585.24
  6. Step 6: Final answer
    x = 486.41

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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.