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Finding the Fourth Proportional to 360,945.40, 541,418.10 and 111,627.40

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Solution

The fourth proportional to 360,945.40, 541,418.10 and 111,627.40 is: 167,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,945.40 : 541,418.10 = 111,627.40 : x
  2. Step 2: Convert to fraction form
    360,945.40/541,418.10 = 111,627.40/x
  3. Step 3: Cross multiply
    360,945.40x = 541,418.10 × 111,627.40
  4. Step 4: Simplify right side
    360,945.40x = 60,437,094,815.94
  5. Step 5: Solve for x
    x = 60,437,094,815.94/360,945.40
  6. Step 6: Final answer
    x = 167,441.10

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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.