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Finding the Fourth Proportional to 368,989.44, 553,561.92 and 119,652

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Solution

The fourth proportional to 368,989.44, 553,561.92 and 119,652 is: 179,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,989.44 : 553,561.92 = 119,652 : x
  2. Step 2: Convert to fraction form
    368,989.44/553,561.92 = 119,652/x
  3. Step 3: Cross multiply
    368,989.44x = 553,561.92 × 119,652
  4. Step 4: Simplify right side
    368,989.44x = 66,234,790,851.84
  5. Step 5: Solve for x
    x = 66,234,790,851.84/368,989.44
  6. Step 6: Final answer
    x = 179,503.22

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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.