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Finding the Fourth Proportional to 373.08, 514.70 and 235

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Solution

The fourth proportional to 373.08, 514.70 and 235 is: 324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.08 : 514.70 = 235 : x
  2. Step 2: Convert to fraction form
    373.08/514.70 = 235/x
  3. Step 3: Cross multiply
    373.08x = 514.70 × 235
  4. Step 4: Simplify right side
    373.08x = 120,954.50
  5. Step 5: Solve for x
    x = 120,954.50/373.08
  6. Step 6: Final answer
    x = 324.21

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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.