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Finding the Fourth Proportional to 303,206.60, 454,153.80 and 162,801.20

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Solution

The fourth proportional to 303,206.60, 454,153.80 and 162,801.20 is: 243,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,206.60 : 454,153.80 = 162,801.20 : x
  2. Step 2: Convert to fraction form
    303,206.60/454,153.80 = 162,801.20/x
  3. Step 3: Cross multiply
    303,206.60x = 454,153.80 × 162,801.20
  4. Step 4: Simplify right side
    303,206.60x = 73,936,783,624.56
  5. Step 5: Solve for x
    x = 73,936,783,624.56/303,206.60
  6. Step 6: Final answer
    x = 243,849.52

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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.