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Finding the Fourth Proportional to 262,475.98, 393,776.54 and 84,983.04

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Solution

The fourth proportional to 262,475.98, 393,776.54 and 84,983.04 is: 127,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,475.98 : 393,776.54 = 84,983.04 : x
  2. Step 2: Convert to fraction form
    262,475.98/393,776.54 = 84,983.04/x
  3. Step 3: Cross multiply
    262,475.98x = 393,776.54 × 84,983.04
  4. Step 4: Simplify right side
    262,475.98x = 33,464,327,449.88
  5. Step 5: Solve for x
    x = 33,464,327,449.88/262,475.98
  6. Step 6: Final answer
    x = 127,494.82

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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.