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Finding the Fourth Proportional to 393,027.40, 589,030.80 and 182,216.80

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Solution

The fourth proportional to 393,027.40, 589,030.80 and 182,216.80 is: 273,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,027.40 : 589,030.80 = 182,216.80 : x
  2. Step 2: Convert to fraction form
    393,027.40/589,030.80 = 182,216.80/x
  3. Step 3: Cross multiply
    393,027.40x = 589,030.80 × 182,216.80
  4. Step 4: Simplify right side
    393,027.40x = 107,331,307,477.44
  5. Step 5: Solve for x
    x = 107,331,307,477.44/393,027.40
  6. Step 6: Final answer
    x = 273,088.61

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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.