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Finding the Fourth Proportional to 256,225.06, 384,179.88 and 176,359.96

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Solution

The fourth proportional to 256,225.06, 384,179.88 and 176,359.96 is: 264,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,225.06 : 384,179.88 = 176,359.96 : x
  2. Step 2: Convert to fraction form
    256,225.06/384,179.88 = 176,359.96/x
  3. Step 3: Cross multiply
    256,225.06x = 384,179.88 × 176,359.96
  4. Step 4: Simplify right side
    256,225.06x = 67,753,948,269.60
  5. Step 5: Solve for x
    x = 67,753,948,269.60/256,225.06
  6. Step 6: Final answer
    x = 264,431.39

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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.