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Finding the Fourth Proportional to 308,558.84, 425,901.72 and 179,527.66

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Solution

The fourth proportional to 308,558.84, 425,901.72 and 179,527.66 is: 247,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,558.84 : 425,901.72 = 179,527.66 : x
  2. Step 2: Convert to fraction form
    308,558.84/425,901.72 = 179,527.66/x
  3. Step 3: Cross multiply
    308,558.84x = 425,901.72 × 179,527.66
  4. Step 4: Simplify right side
    308,558.84x = 76,461,139,181.58
  5. Step 5: Solve for x
    x = 76,461,139,181.58/308,558.84
  6. Step 6: Final answer
    x = 247,800.84

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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.