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Finding the Fourth Proportional to 367,210.80, 550,038.60 and 327,812.40

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Solution

The fourth proportional to 367,210.80, 550,038.60 and 327,812.40 is: 491,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,210.80 : 550,038.60 = 327,812.40 : x
  2. Step 2: Convert to fraction form
    367,210.80/550,038.60 = 327,812.40/x
  3. Step 3: Cross multiply
    367,210.80x = 550,038.60 × 327,812.40
  4. Step 4: Simplify right side
    367,210.80x = 180,309,473,558.64
  5. Step 5: Solve for x
    x = 180,309,473,558.64/367,210.80
  6. Step 6: Final answer
    x = 491,024.43

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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.