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Finding the Fourth Proportional to 626,606.63, 939,863.23 and 200,187.51

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Solution

The fourth proportional to 626,606.63, 939,863.23 and 200,187.51 is: 300,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,606.63 : 939,863.23 = 200,187.51 : x
  2. Step 2: Convert to fraction form
    626,606.63/939,863.23 = 200,187.51/x
  3. Step 3: Cross multiply
    626,606.63x = 939,863.23 × 200,187.51
  4. Step 4: Simplify right side
    626,606.63x = 188,148,875,729.30
  5. Step 5: Solve for x
    x = 188,148,875,729.30/626,606.63
  6. Step 6: Final answer
    x = 300,266.33

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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.