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Finding the Fourth Proportional to 469,857.77, 704,786.65 and 114,867.57

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Solution

The fourth proportional to 469,857.77, 704,786.65 and 114,867.57 is: 172,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,857.77 : 704,786.65 = 114,867.57 : x
  2. Step 2: Convert to fraction form
    469,857.77/704,786.65 = 114,867.57/x
  3. Step 3: Cross multiply
    469,857.77x = 704,786.65 × 114,867.57
  4. Step 4: Simplify right side
    469,857.77x = 80,957,129,566.77
  5. Step 5: Solve for x
    x = 80,957,129,566.77/469,857.77
  6. Step 6: Final answer
    x = 172,301.36

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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.