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Finding the Fourth Proportional to 368,996.32, 553,542.48 and 132,364.96

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Solution

The fourth proportional to 368,996.32, 553,542.48 and 132,364.96 is: 198,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,996.32 : 553,542.48 = 132,364.96 : x
  2. Step 2: Convert to fraction form
    368,996.32/553,542.48 = 132,364.96/x
  3. Step 3: Cross multiply
    368,996.32x = 553,542.48 × 132,364.96
  4. Step 4: Simplify right side
    368,996.32x = 73,269,628,223.50
  5. Step 5: Solve for x
    x = 73,269,628,223.50/368,996.32
  6. Step 6: Final answer
    x = 198,564.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.