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Finding the Fourth Proportional to 303,890.05, 456,245.48 and 177,659.65

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Solution

The fourth proportional to 303,890.05, 456,245.48 and 177,659.65 is: 266,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,890.05 : 456,245.48 = 177,659.65 : x
  2. Step 2: Convert to fraction form
    303,890.05/456,245.48 = 177,659.65/x
  3. Step 3: Cross multiply
    303,890.05x = 456,245.48 × 177,659.65
  4. Step 4: Simplify right side
    303,890.05x = 81,056,411,402.58
  5. Step 5: Solve for x
    x = 81,056,411,402.58/303,890.05
  6. Step 6: Final answer
    x = 266,729.40

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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.