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Finding the Fourth Proportional to 1,868,760.60, 2,804,453.10 and 804,566.40

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Solution

The fourth proportional to 1,868,760.60, 2,804,453.10 and 804,566.40 is: 1,207,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,760.60 : 2,804,453.10 = 804,566.40 : x
  2. Step 2: Convert to fraction form
    1,868,760.60/2,804,453.10 = 804,566.40/x
  3. Step 3: Cross multiply
    1,868,760.60x = 2,804,453.10 × 804,566.40
  4. Step 4: Simplify right side
    1,868,760.60x = 2,256,368,734,635.84
  5. Step 5: Solve for x
    x = 2,256,368,734,635.84/1,868,760.60
  6. Step 6: Final answer
    x = 1,207,414.55

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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.