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Finding the Fourth Proportional to 320,076.86, 441,710.70 and 176,840.20

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Solution

The fourth proportional to 320,076.86, 441,710.70 and 176,840.20 is: 244,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,076.86 : 441,710.70 = 176,840.20 : x
  2. Step 2: Convert to fraction form
    320,076.86/441,710.70 = 176,840.20/x
  3. Step 3: Cross multiply
    320,076.86x = 441,710.70 × 176,840.20
  4. Step 4: Simplify right side
    320,076.86x = 78,112,206,321.59
  5. Step 5: Solve for x
    x = 78,112,206,321.59/320,076.86
  6. Step 6: Final answer
    x = 244,042.03

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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.