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Finding the Fourth Proportional to 341.24, 470.88 and 210.22

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Solution

The fourth proportional to 341.24, 470.88 and 210.22 is: 290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.24 : 470.88 = 210.22 : x
  2. Step 2: Convert to fraction form
    341.24/470.88 = 210.22/x
  3. Step 3: Cross multiply
    341.24x = 470.88 × 210.22
  4. Step 4: Simplify right side
    341.24x = 98,988.39
  5. Step 5: Solve for x
    x = 98,988.39/341.24
  6. Step 6: Final answer
    x = 290.08

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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.