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Finding the Fourth Proportional to 452,482.20, 678,195.18 and 333,047.70

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Solution

The fourth proportional to 452,482.20, 678,195.18 and 333,047.70 is: 499,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,482.20 : 678,195.18 = 333,047.70 : x
  2. Step 2: Convert to fraction form
    452,482.20/678,195.18 = 333,047.70/x
  3. Step 3: Cross multiply
    452,482.20x = 678,195.18 × 333,047.70
  4. Step 4: Simplify right side
    452,482.20x = 225,871,344,850.09
  5. Step 5: Solve for x
    x = 225,871,344,850.09/452,482.20
  6. Step 6: Final answer
    x = 499,182.83

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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.