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Finding the Fourth Proportional to 308,556.84, 425,898.96 and 179,525.66

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Solution

The fourth proportional to 308,556.84, 425,898.96 and 179,525.66 is: 247,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,556.84 : 425,898.96 = 179,525.66 : x
  2. Step 2: Convert to fraction form
    308,556.84/425,898.96 = 179,525.66/x
  3. Step 3: Cross multiply
    308,556.84x = 425,898.96 × 179,525.66
  4. Step 4: Simplify right side
    308,556.84x = 76,459,790,681.72
  5. Step 5: Solve for x
    x = 76,459,790,681.72/308,556.84
  6. Step 6: Final answer
    x = 247,798.08

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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.