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Finding the Fourth Proportional to 1,000,188, 1,500,413.83 and 326,033.10

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Solution

The fourth proportional to 1,000,188, 1,500,413.83 and 326,033.10 is: 489,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,188 : 1,500,413.83 = 326,033.10 : x
  2. Step 2: Convert to fraction form
    1,000,188/1,500,413.83 = 326,033.10/x
  3. Step 3: Cross multiply
    1,000,188x = 1,500,413.83 × 326,033.10
  4. Step 4: Simplify right side
    1,000,188x = 489,184,571,462.69
  5. Step 5: Solve for x
    x = 489,184,571,462.69/1,000,188
  6. Step 6: Final answer
    x = 489,092.62

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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.