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Finding the Fourth Proportional to 328,069.52, 492,099.96 and 91,413.44

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Solution

The fourth proportional to 328,069.52, 492,099.96 and 91,413.44 is: 137,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,069.52 : 492,099.96 = 91,413.44 : x
  2. Step 2: Convert to fraction form
    328,069.52/492,099.96 = 91,413.44/x
  3. Step 3: Cross multiply
    328,069.52x = 492,099.96 × 91,413.44
  4. Step 4: Simplify right side
    328,069.52x = 44,984,550,167.46
  5. Step 5: Solve for x
    x = 44,984,550,167.46/328,069.52
  6. Step 6: Final answer
    x = 137,118.96

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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.