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Finding the Fourth Proportional to 394,405.30, 590,927.55 and 183,610.90

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Solution

The fourth proportional to 394,405.30, 590,927.55 and 183,610.90 is: 275,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,405.30 : 590,927.55 = 183,610.90 : x
  2. Step 2: Convert to fraction form
    394,405.30/590,927.55 = 183,610.90/x
  3. Step 3: Cross multiply
    394,405.30x = 590,927.55 × 183,610.90
  4. Step 4: Simplify right side
    394,405.30x = 108,500,739,290.30
  5. Step 5: Solve for x
    x = 108,500,739,290.30/394,405.30
  6. Step 6: Final answer
    x = 275,099.60

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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.