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Finding the Fourth Proportional to 626,804.80, 940,273.98 and 200,191.54

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Solution

The fourth proportional to 626,804.80, 940,273.98 and 200,191.54 is: 300,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,804.80 : 940,273.98 = 200,191.54 : x
  2. Step 2: Convert to fraction form
    626,804.80/940,273.98 = 200,191.54/x
  3. Step 3: Cross multiply
    626,804.80x = 940,273.98 × 200,191.54
  4. Step 4: Simplify right side
    626,804.80x = 188,234,896,078.13
  5. Step 5: Solve for x
    x = 188,234,896,078.13/626,804.80
  6. Step 6: Final answer
    x = 300,308.64

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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.