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Finding the Fourth Proportional to 364,947, 503,849.21 and 250,413.81

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Solution

The fourth proportional to 364,947, 503,849.21 and 250,413.81 is: 345,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,947 : 503,849.21 = 250,413.81 : x
  2. Step 2: Convert to fraction form
    364,947/503,849.21 = 250,413.81/x
  3. Step 3: Cross multiply
    364,947x = 503,849.21 × 250,413.81
  4. Step 4: Simplify right side
    364,947x = 126,170,799,089.52
  5. Step 5: Solve for x
    x = 126,170,799,089.52/364,947
  6. Step 6: Final answer
    x = 345,723.62

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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.