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Finding the Fourth Proportional to 243,694.20, 365,195.70 and 180,017.40

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Solution

The fourth proportional to 243,694.20, 365,195.70 and 180,017.40 is: 269,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,694.20 : 365,195.70 = 180,017.40 : x
  2. Step 2: Convert to fraction form
    243,694.20/365,195.70 = 180,017.40/x
  3. Step 3: Cross multiply
    243,694.20x = 365,195.70 × 180,017.40
  4. Step 4: Simplify right side
    243,694.20x = 65,741,580,405.18
  5. Step 5: Solve for x
    x = 65,741,580,405.18/243,694.20
  6. Step 6: Final answer
    x = 269,770.80

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1.5x scale

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.