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Finding the Fourth Proportional to 346.16, 519.24 and 236

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Solution

The fourth proportional to 346.16, 519.24 and 236 is: 354

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.16 : 519.24 = 236 : x
  2. Step 2: Convert to fraction form
    346.16/519.24 = 236/x
  3. Step 3: Cross multiply
    346.16x = 519.24 × 236
  4. Step 4: Simplify right side
    346.16x = 122,540.64
  5. Step 5: Solve for x
    x = 122,540.64/346.16
  6. Step 6: Final answer
    x = 354

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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.