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Finding the Fourth Proportional to 303,520.59, 418,855.85 and 167,551.62

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Solution

The fourth proportional to 303,520.59, 418,855.85 and 167,551.62 is: 231,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,520.59 : 418,855.85 = 167,551.62 : x
  2. Step 2: Convert to fraction form
    303,520.59/418,855.85 = 167,551.62/x
  3. Step 3: Cross multiply
    303,520.59x = 418,855.85 × 167,551.62
  4. Step 4: Simplify right side
    303,520.59x = 70,179,977,673.45
  5. Step 5: Solve for x
    x = 70,179,977,673.45/303,520.59
  6. Step 6: Final answer
    x = 231,219.82

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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.