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Finding the Fourth Proportional to 227,285.10, 340,965.90 and 69,476.67

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Solution

The fourth proportional to 227,285.10, 340,965.90 and 69,476.67 is: 104,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,285.10 : 340,965.90 = 69,476.67 : x
  2. Step 2: Convert to fraction form
    227,285.10/340,965.90 = 69,476.67/x
  3. Step 3: Cross multiply
    227,285.10x = 340,965.90 × 69,476.67
  4. Step 4: Simplify right side
    227,285.10x = 23,689,175,315.55
  5. Step 5: Solve for x
    x = 23,689,175,315.55/227,285.10
  6. Step 6: Final answer
    x = 104,226.70

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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.