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Finding the Fourth Proportional to 328,413.87, 492,324.34 and 118,002.60

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Solution

The fourth proportional to 328,413.87, 492,324.34 and 118,002.60 is: 176,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,413.87 : 492,324.34 = 118,002.60 : x
  2. Step 2: Convert to fraction form
    328,413.87/492,324.34 = 118,002.60/x
  3. Step 3: Cross multiply
    328,413.87x = 492,324.34 × 118,002.60
  4. Step 4: Simplify right side
    328,413.87x = 58,095,552,163.28
  5. Step 5: Solve for x
    x = 58,095,552,163.28/328,413.87
  6. Step 6: Final answer
    x = 176,897.38

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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.