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Finding the Fourth Proportional to 911,697.37, 1,367,604.37 and 350,731.87

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Solution

The fourth proportional to 911,697.37, 1,367,604.37 and 350,731.87 is: 526,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,697.37 : 1,367,604.37 = 350,731.87 : x
  2. Step 2: Convert to fraction form
    911,697.37/1,367,604.37 = 350,731.87/x
  3. Step 3: Cross multiply
    911,697.37x = 1,367,604.37 × 350,731.87
  4. Step 4: Simplify right side
    911,697.37x = 479,662,429,518.59
  5. Step 5: Solve for x
    x = 479,662,429,518.59/911,697.37
  6. Step 6: Final answer
    x = 526,120.23

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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.