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Finding the Fourth Proportional to 270,314.46, 405,481.50 and 92,820.42

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Solution

The fourth proportional to 270,314.46, 405,481.50 and 92,820.42 is: 139,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,314.46 : 405,481.50 = 92,820.42 : x
  2. Step 2: Convert to fraction form
    270,314.46/405,481.50 = 92,820.42/x
  3. Step 3: Cross multiply
    270,314.46x = 405,481.50 × 92,820.42
  4. Step 4: Simplify right side
    270,314.46x = 37,636,963,132.23
  5. Step 5: Solve for x
    x = 37,636,963,132.23/270,314.46
  6. Step 6: Final answer
    x = 139,234.00

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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.