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Finding the Fourth Proportional to 367,039.60, 550,559.40 and 328,548.40

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Solution

The fourth proportional to 367,039.60, 550,559.40 and 328,548.40 is: 492,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,039.60 : 550,559.40 = 328,548.40 : x
  2. Step 2: Convert to fraction form
    367,039.60/550,559.40 = 328,548.40/x
  3. Step 3: Cross multiply
    367,039.60x = 550,559.40 × 328,548.40
  4. Step 4: Simplify right side
    367,039.60x = 180,885,409,974.96
  5. Step 5: Solve for x
    x = 180,885,409,974.96/367,039.60
  6. Step 6: Final answer
    x = 492,822.60

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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.