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Finding the Fourth Proportional to 303,628.80, 454,714.20 and 163,077.60

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Solution

The fourth proportional to 303,628.80, 454,714.20 and 163,077.60 is: 244,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.80 : 454,714.20 = 163,077.60 : x
  2. Step 2: Convert to fraction form
    303,628.80/454,714.20 = 163,077.60/x
  3. Step 3: Cross multiply
    303,628.80x = 454,714.20 × 163,077.60
  4. Step 4: Simplify right side
    303,628.80x = 74,153,700,421.92
  5. Step 5: Solve for x
    x = 74,153,700,421.92/303,628.80
  6. Step 6: Final answer
    x = 244,224.86

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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.