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Finding the Fourth Proportional to 466.68, 700.20 and 210

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Solution

The fourth proportional to 466.68, 700.20 and 210 is: 315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.68 : 700.20 = 210 : x
  2. Step 2: Convert to fraction form
    466.68/700.20 = 210/x
  3. Step 3: Cross multiply
    466.68x = 700.20 × 210
  4. Step 4: Simplify right side
    466.68x = 147,042
  5. Step 5: Solve for x
    x = 147,042/466.68
  6. Step 6: Final answer
    x = 315.08

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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.