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Finding the Fourth Proportional to 274,292.10, 411,438.15 and 227,636.10

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Solution

The fourth proportional to 274,292.10, 411,438.15 and 227,636.10 is: 341,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,292.10 : 411,438.15 = 227,636.10 : x
  2. Step 2: Convert to fraction form
    274,292.10/411,438.15 = 227,636.10/x
  3. Step 3: Cross multiply
    274,292.10x = 411,438.15 × 227,636.10
  4. Step 4: Simplify right side
    274,292.10x = 93,658,175,857.22
  5. Step 5: Solve for x
    x = 93,658,175,857.22/274,292.10
  6. Step 6: Final answer
    x = 341,454.15

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Similar ratio
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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.