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Finding the Fourth Proportional to 320,059.70, 441,679.06 and 176,810.39

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Solution

The fourth proportional to 320,059.70, 441,679.06 and 176,810.39 is: 243,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,059.70 : 441,679.06 = 176,810.39 : x
  2. Step 2: Convert to fraction form
    320,059.70/441,679.06 = 176,810.39/x
  3. Step 3: Cross multiply
    320,059.70x = 441,679.06 × 176,810.39
  4. Step 4: Simplify right side
    320,059.70x = 78,093,446,853.43
  5. Step 5: Solve for x
    x = 78,093,446,853.43/320,059.70
  6. Step 6: Final answer
    x = 243,996.50

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1.5x scale

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.