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Finding the Fourth Proportional to 493,214.80, 739,822.20 and 493,214.80

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Solution

The fourth proportional to 493,214.80, 739,822.20 and 493,214.80 is: 739,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,214.80 : 739,822.20 = 493,214.80 : x
  2. Step 2: Convert to fraction form
    493,214.80/739,822.20 = 493,214.80/x
  3. Step 3: Cross multiply
    493,214.80x = 739,822.20 × 493,214.80
  4. Step 4: Simplify right side
    493,214.80x = 364,891,258,408.56
  5. Step 5: Solve for x
    x = 364,891,258,408.56/493,214.80
  6. Step 6: Final answer
    x = 739,822.20

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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.