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Finding the Fourth Proportional to 302,820.58, 417,900.82 and 173,769.96

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Solution

The fourth proportional to 302,820.58, 417,900.82 and 173,769.96 is: 239,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,820.58 : 417,900.82 = 173,769.96 : x
  2. Step 2: Convert to fraction form
    302,820.58/417,900.82 = 173,769.96/x
  3. Step 3: Cross multiply
    302,820.58x = 417,900.82 × 173,769.96
  4. Step 4: Simplify right side
    302,820.58x = 72,618,608,775.37
  5. Step 5: Solve for x
    x = 72,618,608,775.37/302,820.58
  6. Step 6: Final answer
    x = 239,807.38

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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.