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Finding the Fourth Proportional to 469,650.80, 704,575.56 and 154,081.28

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Solution

The fourth proportional to 469,650.80, 704,575.56 and 154,081.28 is: 231,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,650.80 : 704,575.56 = 154,081.28 : x
  2. Step 2: Convert to fraction form
    469,650.80/704,575.56 = 154,081.28/x
  3. Step 3: Cross multiply
    469,650.80x = 704,575.56 × 154,081.28
  4. Step 4: Simplify right side
    469,650.80x = 108,561,904,141.52
  5. Step 5: Solve for x
    x = 108,561,904,141.52/469,650.80
  6. Step 6: Final answer
    x = 231,154.52

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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.