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Finding the Fourth Proportional to 379,358.84, 569,318.81 and 179,679.58

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Solution

The fourth proportional to 379,358.84, 569,318.81 and 179,679.58 is: 269,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,358.84 : 569,318.81 = 179,679.58 : x
  2. Step 2: Convert to fraction form
    379,358.84/569,318.81 = 179,679.58/x
  3. Step 3: Cross multiply
    379,358.84x = 569,318.81 × 179,679.58
  4. Step 4: Simplify right side
    379,358.84x = 102,294,962,345.21
  5. Step 5: Solve for x
    x = 102,294,962,345.21/379,358.84
  6. Step 6: Final answer
    x = 269,652.24

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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.