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Finding the Fourth Proportional to 362,002.10, 543,003.15 and 228,449.30

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Solution

The fourth proportional to 362,002.10, 543,003.15 and 228,449.30 is: 342,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,002.10 : 543,003.15 = 228,449.30 : x
  2. Step 2: Convert to fraction form
    362,002.10/543,003.15 = 228,449.30/x
  3. Step 3: Cross multiply
    362,002.10x = 543,003.15 × 228,449.30
  4. Step 4: Simplify right side
    362,002.10x = 124,048,689,515.30
  5. Step 5: Solve for x
    x = 124,048,689,515.30/362,002.10
  6. Step 6: Final answer
    x = 342,673.95

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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.