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Finding the Fourth Proportional to 2,738,583.60, 4,108,458.60 and 845,516.40

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Solution

The fourth proportional to 2,738,583.60, 4,108,458.60 and 845,516.40 is: 1,268,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,583.60 : 4,108,458.60 = 845,516.40 : x
  2. Step 2: Convert to fraction form
    2,738,583.60/4,108,458.60 = 845,516.40/x
  3. Step 3: Cross multiply
    2,738,583.60x = 4,108,458.60 × 845,516.40
  4. Step 4: Simplify right side
    2,738,583.60x = 3,473,769,125,021.04
  5. Step 5: Solve for x
    x = 3,473,769,125,021.04/2,738,583.60
  6. Step 6: Final answer
    x = 1,268,454.66

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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.