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Finding the Fourth Proportional to 368,993.84, 553,539 and 132,362.96

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Solution

The fourth proportional to 368,993.84, 553,539 and 132,362.96 is: 198,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,993.84 : 553,539 = 132,362.96 : x
  2. Step 2: Convert to fraction form
    368,993.84/553,539 = 132,362.96/x
  3. Step 3: Cross multiply
    368,993.84x = 553,539 × 132,362.96
  4. Step 4: Simplify right side
    368,993.84x = 73,268,060,515.44
  5. Step 5: Solve for x
    x = 73,268,060,515.44/368,993.84
  6. Step 6: Final answer
    x = 198,561.74

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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.