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Finding the Fourth Proportional to 330,791.79, 456,482.00 and 187,564.59

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Solution

The fourth proportional to 330,791.79, 456,482.00 and 187,564.59 is: 258,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,791.79 : 456,482.00 = 187,564.59 : x
  2. Step 2: Convert to fraction form
    330,791.79/456,482.00 = 187,564.59/x
  3. Step 3: Cross multiply
    330,791.79x = 456,482.00 × 187,564.59
  4. Step 4: Simplify right side
    330,791.79x = 85,619,858,234.56
  5. Step 5: Solve for x
    x = 85,619,858,234.56/330,791.79
  6. Step 6: Final answer
    x = 258,833.08

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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.