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Finding the Fourth Proportional to 458,483.73, 686,830.94 and 300,232.41

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Solution

The fourth proportional to 458,483.73, 686,830.94 and 300,232.41 is: 449,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,483.73 : 686,830.94 = 300,232.41 : x
  2. Step 2: Convert to fraction form
    458,483.73/686,830.94 = 300,232.41/x
  3. Step 3: Cross multiply
    458,483.73x = 686,830.94 × 300,232.41
  4. Step 4: Simplify right side
    458,483.73x = 206,208,907,116.67
  5. Step 5: Solve for x
    x = 206,208,907,116.67/458,483.73
  6. Step 6: Final answer
    x = 449,762.76

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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.