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Finding the Fourth Proportional to 737,568.40, 1,106,352.60 and 727,070.80

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Solution

The fourth proportional to 737,568.40, 1,106,352.60 and 727,070.80 is: 1,090,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,568.40 : 1,106,352.60 = 727,070.80 : x
  2. Step 2: Convert to fraction form
    737,568.40/1,106,352.60 = 727,070.80/x
  3. Step 3: Cross multiply
    737,568.40x = 1,106,352.60 × 727,070.80
  4. Step 4: Simplify right side
    737,568.40x = 804,396,669,964.08
  5. Step 5: Solve for x
    x = 804,396,669,964.08/737,568.40
  6. Step 6: Final answer
    x = 1,090,606.20

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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.