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Finding the Fourth Proportional to 274,841.06, 411,788.12 and 214,846.18

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Solution

The fourth proportional to 274,841.06, 411,788.12 and 214,846.18 is: 321,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,841.06 : 411,788.12 = 214,846.18 : x
  2. Step 2: Convert to fraction form
    274,841.06/411,788.12 = 214,846.18/x
  3. Step 3: Cross multiply
    274,841.06x = 411,788.12 × 214,846.18
  4. Step 4: Simplify right side
    274,841.06x = 88,471,104,551.38
  5. Step 5: Solve for x
    x = 88,471,104,551.38/274,841.06
  6. Step 6: Final answer
    x = 321,899.15

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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.