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Finding the Fourth Proportional to 469,963.48, 704,713.84 and 170,399.28

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Solution

The fourth proportional to 469,963.48, 704,713.84 and 170,399.28 is: 255,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,963.48 : 704,713.84 = 170,399.28 : x
  2. Step 2: Convert to fraction form
    469,963.48/704,713.84 = 170,399.28/x
  3. Step 3: Cross multiply
    469,963.48x = 704,713.84 × 170,399.28
  4. Step 4: Simplify right side
    469,963.48x = 120,082,730,942.04
  5. Step 5: Solve for x
    x = 120,082,730,942.04/469,963.48
  6. Step 6: Final answer
    x = 255,515.03

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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.