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Finding the Fourth Proportional to 449,539.80, 675,087.30 and 292,464.60

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Solution

The fourth proportional to 449,539.80, 675,087.30 and 292,464.60 is: 439,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,539.80 : 675,087.30 = 292,464.60 : x
  2. Step 2: Convert to fraction form
    449,539.80/675,087.30 = 292,464.60/x
  3. Step 3: Cross multiply
    449,539.80x = 675,087.30 × 292,464.60
  4. Step 4: Simplify right side
    449,539.80x = 197,439,137,159.58
  5. Step 5: Solve for x
    x = 197,439,137,159.58/449,539.80
  6. Step 6: Final answer
    x = 439,202.80

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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.