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Finding the Fourth Proportional to 320,101.40, 441,748.84 and 176,870.66

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Solution

The fourth proportional to 320,101.40, 441,748.84 and 176,870.66 is: 244,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,101.40 : 441,748.84 = 176,870.66 : x
  2. Step 2: Convert to fraction form
    320,101.40/441,748.84 = 176,870.66/x
  3. Step 3: Cross multiply
    320,101.40x = 441,748.84 × 176,870.66
  4. Step 4: Simplify right side
    320,101.40x = 78,132,409,105.05
  5. Step 5: Solve for x
    x = 78,132,409,105.05/320,101.40
  6. Step 6: Final answer
    x = 244,086.44

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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.