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Finding the Fourth Proportional to 239,699.63, 359,561.84 and 227,578.76

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Solution

The fourth proportional to 239,699.63, 359,561.84 and 227,578.76 is: 341,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,699.63 : 359,561.84 = 227,578.76 : x
  2. Step 2: Convert to fraction form
    239,699.63/359,561.84 = 227,578.76/x
  3. Step 3: Cross multiply
    239,699.63x = 359,561.84 × 227,578.76
  4. Step 4: Simplify right side
    239,699.63x = 81,828,634,754.82
  5. Step 5: Solve for x
    x = 81,828,634,754.82/239,699.63
  6. Step 6: Final answer
    x = 341,379.90

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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.