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Finding the Fourth Proportional to 444,413.45, 664,866.23 and 342,438.96

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Solution

The fourth proportional to 444,413.45, 664,866.23 and 342,438.96 is: 512,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,413.45 : 664,866.23 = 342,438.96 : x
  2. Step 2: Convert to fraction form
    444,413.45/664,866.23 = 342,438.96/x
  3. Step 3: Cross multiply
    444,413.45x = 664,866.23 × 342,438.96
  4. Step 4: Simplify right side
    444,413.45x = 227,676,097,381.50
  5. Step 5: Solve for x
    x = 227,676,097,381.50/444,413.45
  6. Step 6: Final answer
    x = 512,306.94

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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.