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Finding the Fourth Proportional to 367,541.80, 551,312.70 and 180,514.60

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Solution

The fourth proportional to 367,541.80, 551,312.70 and 180,514.60 is: 270,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,541.80 : 551,312.70 = 180,514.60 : x
  2. Step 2: Convert to fraction form
    367,541.80/551,312.70 = 180,514.60/x
  3. Step 3: Cross multiply
    367,541.80x = 551,312.70 × 180,514.60
  4. Step 4: Simplify right side
    367,541.80x = 99,519,991,515.42
  5. Step 5: Solve for x
    x = 99,519,991,515.42/367,541.80
  6. Step 6: Final answer
    x = 270,771.90

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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.