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Finding the Fourth Proportional to 1,868,737.60, 2,804,418.60 and 804,543.40

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Solution

The fourth proportional to 1,868,737.60, 2,804,418.60 and 804,543.40 is: 1,207,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,737.60 : 2,804,418.60 = 804,543.40 : x
  2. Step 2: Convert to fraction form
    1,868,737.60/2,804,418.60 = 804,543.40/x
  3. Step 3: Cross multiply
    1,868,737.60x = 2,804,418.60 × 804,543.40
  4. Step 4: Simplify right side
    1,868,737.60x = 2,256,276,475,467.24
  5. Step 5: Solve for x
    x = 2,256,276,475,467.24/1,868,737.60
  6. Step 6: Final answer
    x = 1,207,380.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.