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Finding the Fourth Proportional to 320,073.68, 441,710.44 and 176,842.78

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Solution

The fourth proportional to 320,073.68, 441,710.44 and 176,842.78 is: 244,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,073.68 : 441,710.44 = 176,842.78 : x
  2. Step 2: Convert to fraction form
    320,073.68/441,710.44 = 176,842.78/x
  3. Step 3: Cross multiply
    320,073.68x = 441,710.44 × 176,842.78
  4. Step 4: Simplify right side
    320,073.68x = 78,113,302,164.62
  5. Step 5: Solve for x
    x = 78,113,302,164.62/320,073.68
  6. Step 6: Final answer
    x = 244,047.88

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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.