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Finding the Fourth Proportional to 311,585.88, 467,041.86 and 124,391.64

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Solution

The fourth proportional to 311,585.88, 467,041.86 and 124,391.64 is: 186,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,585.88 : 467,041.86 = 124,391.64 : x
  2. Step 2: Convert to fraction form
    311,585.88/467,041.86 = 124,391.64/x
  3. Step 3: Cross multiply
    311,585.88x = 467,041.86 × 124,391.64
  4. Step 4: Simplify right side
    311,585.88x = 58,096,102,914.05
  5. Step 5: Solve for x
    x = 58,096,102,914.05/311,585.88
  6. Step 6: Final answer
    x = 186,452.94

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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.