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Finding the Fourth Proportional to 285,074.73, 393,413.63 and 184,472.73

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Solution

The fourth proportional to 285,074.73, 393,413.63 and 184,472.73 is: 254,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,074.73 : 393,413.63 = 184,472.73 : x
  2. Step 2: Convert to fraction form
    285,074.73/393,413.63 = 184,472.73/x
  3. Step 3: Cross multiply
    285,074.73x = 393,413.63 × 184,472.73
  4. Step 4: Simplify right side
    285,074.73x = 72,574,085,422.95
  5. Step 5: Solve for x
    x = 72,574,085,422.95/285,074.73
  6. Step 6: Final answer
    x = 254,579.16

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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.