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Finding the Fourth Proportional to 227,699.40, 341,808.30 and 134,257.80

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Solution

The fourth proportional to 227,699.40, 341,808.30 and 134,257.80 is: 201,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,699.40 : 341,808.30 = 134,257.80 : x
  2. Step 2: Convert to fraction form
    227,699.40/341,808.30 = 134,257.80/x
  3. Step 3: Cross multiply
    227,699.40x = 341,808.30 × 134,257.80
  4. Step 4: Simplify right side
    227,699.40x = 45,890,430,379.74
  5. Step 5: Solve for x
    x = 45,890,430,379.74/227,699.40
  6. Step 6: Final answer
    x = 201,539.53

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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.