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Finding the Fourth Proportional to 303,321.12, 454,981.60 and 162,886.56

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Solution

The fourth proportional to 303,321.12, 454,981.60 and 162,886.56 is: 244,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,321.12 : 454,981.60 = 162,886.56 : x
  2. Step 2: Convert to fraction form
    303,321.12/454,981.60 = 162,886.56/x
  3. Step 3: Cross multiply
    303,321.12x = 454,981.60 × 162,886.56
  4. Step 4: Simplify right side
    303,321.12x = 74,110,387,687.30
  5. Step 5: Solve for x
    x = 74,110,387,687.30/303,321.12
  6. Step 6: Final answer
    x = 244,329.80

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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.