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Finding the Fourth Proportional to 439,413.84, 606,401.37 and 248,438.52

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Solution

The fourth proportional to 439,413.84, 606,401.37 and 248,438.52 is: 342,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,413.84 : 606,401.37 = 248,438.52 : x
  2. Step 2: Convert to fraction form
    439,413.84/606,401.37 = 248,438.52/x
  3. Step 3: Cross multiply
    439,413.84x = 606,401.37 × 248,438.52
  4. Step 4: Simplify right side
    439,413.84x = 150,653,458,888.77
  5. Step 5: Solve for x
    x = 150,653,458,888.77/439,413.84
  6. Step 6: Final answer
    x = 342,850.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.