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Finding the Fourth Proportional to 626,677.19, 940,168.47 and 200,212.46

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Solution

The fourth proportional to 626,677.19, 940,168.47 and 200,212.46 is: 300,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,677.19 : 940,168.47 = 200,212.46 : x
  2. Step 2: Convert to fraction form
    626,677.19/940,168.47 = 200,212.46/x
  3. Step 3: Cross multiply
    626,677.19x = 940,168.47 × 200,212.46
  4. Step 4: Simplify right side
    626,677.19x = 188,233,442,193.14
  5. Step 5: Solve for x
    x = 188,233,442,193.14/626,677.19
  6. Step 6: Final answer
    x = 300,367.47

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1.5x scale

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.