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Finding the Fourth Proportional to 432,906.40, 650,015.70 and 333,179.20

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Solution

The fourth proportional to 432,906.40, 650,015.70 and 333,179.20 is: 500,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,906.40 : 650,015.70 = 333,179.20 : x
  2. Step 2: Convert to fraction form
    432,906.40/650,015.70 = 333,179.20/x
  3. Step 3: Cross multiply
    432,906.40x = 650,015.70 × 333,179.20
  4. Step 4: Simplify right side
    432,906.40x = 216,571,710,913.44
  5. Step 5: Solve for x
    x = 216,571,710,913.44/432,906.40
  6. Step 6: Final answer
    x = 500,273.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.