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Finding the Fourth Proportional to 326,534.88, 489,925.44 and 222,336.48

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Solution

The fourth proportional to 326,534.88, 489,925.44 and 222,336.48 is: 333,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,534.88 : 489,925.44 = 222,336.48 : x
  2. Step 2: Convert to fraction form
    326,534.88/489,925.44 = 222,336.48/x
  3. Step 3: Cross multiply
    326,534.88x = 489,925.44 × 222,336.48
  4. Step 4: Simplify right side
    326,534.88x = 108,928,297,792.05
  5. Step 5: Solve for x
    x = 108,928,297,792.05/326,534.88
  6. Step 6: Final answer
    x = 333,588.55

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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.