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Finding the Fourth Proportional to 346.02, 477.52 and 235.55

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Solution

The fourth proportional to 346.02, 477.52 and 235.55 is: 325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.02 : 477.52 = 235.55 : x
  2. Step 2: Convert to fraction form
    346.02/477.52 = 235.55/x
  3. Step 3: Cross multiply
    346.02x = 477.52 × 235.55
  4. Step 4: Simplify right side
    346.02x = 112,479.84
  5. Step 5: Solve for x
    x = 112,479.84/346.02
  6. Step 6: Final answer
    x = 325.07

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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.