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Finding the Fourth Proportional to 533,601.90, 800,966.21 and 521,553.96

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Solution

The fourth proportional to 533,601.90, 800,966.21 and 521,553.96 is: 782,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,601.90 : 800,966.21 = 521,553.96 : x
  2. Step 2: Convert to fraction form
    533,601.90/800,966.21 = 521,553.96/x
  3. Step 3: Cross multiply
    533,601.90x = 800,966.21 × 521,553.96
  4. Step 4: Simplify right side
    533,601.90x = 417,747,096,043.92
  5. Step 5: Solve for x
    x = 417,747,096,043.92/533,601.90
  6. Step 6: Final answer
    x = 782,881.58

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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.