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Finding the Fourth Proportional to 227,312.10, 340,968.15 and 185,321.70

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Solution

The fourth proportional to 227,312.10, 340,968.15 and 185,321.70 is: 277,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,312.10 : 340,968.15 = 185,321.70 : x
  2. Step 2: Convert to fraction form
    227,312.10/340,968.15 = 185,321.70/x
  3. Step 3: Cross multiply
    227,312.10x = 340,968.15 × 185,321.70
  4. Step 4: Simplify right side
    227,312.10x = 63,188,797,203.86
  5. Step 5: Solve for x
    x = 63,188,797,203.86/227,312.10
  6. Step 6: Final answer
    x = 277,982.55

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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.