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Finding the Fourth Proportional to 311,482.40, 466,895.55 and 161,563.55

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Solution

The fourth proportional to 311,482.40, 466,895.55 and 161,563.55 is: 242,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,482.40 : 466,895.55 = 161,563.55 : x
  2. Step 2: Convert to fraction form
    311,482.40/466,895.55 = 161,563.55/x
  3. Step 3: Cross multiply
    311,482.40x = 466,895.55 × 161,563.55
  4. Step 4: Simplify right side
    311,482.40x = 75,433,303,704.44
  5. Step 5: Solve for x
    x = 75,433,303,704.44/311,482.40
  6. Step 6: Final answer
    x = 242,175.17

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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.