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Finding the Fourth Proportional to 283,662.56, 391,383.60 and 180,259.04

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Solution

The fourth proportional to 283,662.56, 391,383.60 and 180,259.04 is: 248,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,662.56 : 391,383.60 = 180,259.04 : x
  2. Step 2: Convert to fraction form
    283,662.56/391,383.60 = 180,259.04/x
  3. Step 3: Cross multiply
    283,662.56x = 391,383.60 × 180,259.04
  4. Step 4: Simplify right side
    283,662.56x = 70,550,432,007.74
  5. Step 5: Solve for x
    x = 70,550,432,007.74/283,662.56
  6. Step 6: Final answer
    x = 248,712.53

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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.