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Finding the Fourth Proportional to 419,775.04, 629,677.92 and 170,451.52

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Solution

The fourth proportional to 419,775.04, 629,677.92 and 170,451.52 is: 255,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,775.04 : 629,677.92 = 170,451.52 : x
  2. Step 2: Convert to fraction form
    419,775.04/629,677.92 = 170,451.52/x
  3. Step 3: Cross multiply
    419,775.04x = 629,677.92 × 170,451.52
  4. Step 4: Simplify right side
    419,775.04x = 107,329,558,574.44
  5. Step 5: Solve for x
    x = 107,329,558,574.44/419,775.04
  6. Step 6: Final answer
    x = 255,683.52

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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.