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Finding the Fourth Proportional to 879,093.60, 1,318,640.40 and 797,737.20

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Solution

The fourth proportional to 879,093.60, 1,318,640.40 and 797,737.20 is: 1,196,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,093.60 : 1,318,640.40 = 797,737.20 : x
  2. Step 2: Convert to fraction form
    879,093.60/1,318,640.40 = 797,737.20/x
  3. Step 3: Cross multiply
    879,093.60x = 1,318,640.40 × 797,737.20
  4. Step 4: Simplify right side
    879,093.60x = 1,051,928,500,502.88
  5. Step 5: Solve for x
    x = 1,051,928,500,502.88/879,093.60
  6. Step 6: Final answer
    x = 1,196,605.80

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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.