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Finding the Fourth Proportional to 311,455.80, 466,794.90 and 228,252.60

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Solution

The fourth proportional to 311,455.80, 466,794.90 and 228,252.60 is: 342,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,455.80 : 466,794.90 = 228,252.60 : x
  2. Step 2: Convert to fraction form
    311,455.80/466,794.90 = 228,252.60/x
  3. Step 3: Cross multiply
    311,455.80x = 466,794.90 × 228,252.60
  4. Step 4: Simplify right side
    311,455.80x = 106,547,149,591.74
  5. Step 5: Solve for x
    x = 106,547,149,591.74/311,455.80
  6. Step 6: Final answer
    x = 342,093.97

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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.