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Finding the Fourth Proportional to 710,695, 1,066,227.18 and 212,059

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Solution

The fourth proportional to 710,695, 1,066,227.18 and 212,059 is: 318,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,695 : 1,066,227.18 = 212,059 : x
  2. Step 2: Convert to fraction form
    710,695/1,066,227.18 = 212,059/x
  3. Step 3: Cross multiply
    710,695x = 1,066,227.18 × 212,059
  4. Step 4: Simplify right side
    710,695x = 226,103,069,563.62
  5. Step 5: Solve for x
    x = 226,103,069,563.62/710,695
  6. Step 6: Final answer
    x = 318,143.61

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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.