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Finding the Fourth Proportional to 737,519.40, 1,106,279.10 and 727,021.80

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Solution

The fourth proportional to 737,519.40, 1,106,279.10 and 727,021.80 is: 1,090,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,519.40 : 1,106,279.10 = 727,021.80 : x
  2. Step 2: Convert to fraction form
    737,519.40/1,106,279.10 = 727,021.80/x
  3. Step 3: Cross multiply
    737,519.40x = 1,106,279.10 × 727,021.80
  4. Step 4: Simplify right side
    737,519.40x = 804,289,022,584.38
  5. Step 5: Solve for x
    x = 804,289,022,584.38/737,519.40
  6. Step 6: Final answer
    x = 1,090,532.70

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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.