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Finding the Fourth Proportional to 300,772.94, 415,039.04 and 173,423.93

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Solution

The fourth proportional to 300,772.94, 415,039.04 and 173,423.93 is: 239,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,772.94 : 415,039.04 = 173,423.93 : x
  2. Step 2: Convert to fraction form
    300,772.94/415,039.04 = 173,423.93/x
  3. Step 3: Cross multiply
    300,772.94x = 415,039.04 × 173,423.93
  4. Step 4: Simplify right side
    300,772.94x = 71,977,698,477.91
  5. Step 5: Solve for x
    x = 71,977,698,477.91/300,772.94
  6. Step 6: Final answer
    x = 239,309.09

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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.