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Finding the Fourth Proportional to 462,636.16, 693,481.60 and 262,533.92

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Solution

The fourth proportional to 462,636.16, 693,481.60 and 262,533.92 is: 393,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,636.16 : 693,481.60 = 262,533.92 : x
  2. Step 2: Convert to fraction form
    462,636.16/693,481.60 = 262,533.92/x
  3. Step 3: Cross multiply
    462,636.16x = 693,481.60 × 262,533.92
  4. Step 4: Simplify right side
    462,636.16x = 182,062,442,895.87
  5. Step 5: Solve for x
    x = 182,062,442,895.87/462,636.16
  6. Step 6: Final answer
    x = 393,532.67

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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.