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Finding the Fourth Proportional to 384,049.20, 576,073.80 and 362,276.40

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Solution

The fourth proportional to 384,049.20, 576,073.80 and 362,276.40 is: 543,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,049.20 : 576,073.80 = 362,276.40 : x
  2. Step 2: Convert to fraction form
    384,049.20/576,073.80 = 362,276.40/x
  3. Step 3: Cross multiply
    384,049.20x = 576,073.80 × 362,276.40
  4. Step 4: Simplify right side
    384,049.20x = 208,697,942,398.32
  5. Step 5: Solve for x
    x = 208,697,942,398.32/384,049.20
  6. Step 6: Final answer
    x = 543,414.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.