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Finding the Fourth Proportional to 320,076.36, 441,710.01 and 176,839.70

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Solution

The fourth proportional to 320,076.36, 441,710.01 and 176,839.70 is: 244,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,076.36 : 441,710.01 = 176,839.70 : x
  2. Step 2: Convert to fraction form
    320,076.36/441,710.01 = 176,839.70/x
  3. Step 3: Cross multiply
    320,076.36x = 441,710.01 × 176,839.70
  4. Step 4: Simplify right side
    320,076.36x = 78,111,863,446.85
  5. Step 5: Solve for x
    x = 78,111,863,446.85/320,076.36
  6. Step 6: Final answer
    x = 244,041.34

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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.