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Finding the Fourth Proportional to 363,400.80, 544,582.80 and 267,885.60

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Solution

The fourth proportional to 363,400.80, 544,582.80 and 267,885.60 is: 401,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,400.80 : 544,582.80 = 267,885.60 : x
  2. Step 2: Convert to fraction form
    363,400.80/544,582.80 = 267,885.60/x
  3. Step 3: Cross multiply
    363,400.80x = 544,582.80 × 267,885.60
  4. Step 4: Simplify right side
    363,400.80x = 145,885,890,127.68
  5. Step 5: Solve for x
    x = 145,885,890,127.68/363,400.80
  6. Step 6: Final answer
    x = 401,446.25

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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.