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Finding the Fourth Proportional to 447,051.49, 617,159.52 and 344,847.51

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Solution

The fourth proportional to 447,051.49, 617,159.52 and 344,847.51 is: 476,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,051.49 : 617,159.52 = 344,847.51 : x
  2. Step 2: Convert to fraction form
    447,051.49/617,159.52 = 344,847.51/x
  3. Step 3: Cross multiply
    447,051.49x = 617,159.52 × 344,847.51
  4. Step 4: Simplify right side
    447,051.49x = 212,825,923,744.80
  5. Step 5: Solve for x
    x = 212,825,923,744.80/447,051.49
  6. Step 6: Final answer
    x = 476,065.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.