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Finding the Fourth Proportional to 514,745.20, 773,003.54 and 492,601.83

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Solution

The fourth proportional to 514,745.20, 773,003.54 and 492,601.83 is: 739,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,745.20 : 773,003.54 = 492,601.83 : x
  2. Step 2: Convert to fraction form
    514,745.20/773,003.54 = 492,601.83/x
  3. Step 3: Cross multiply
    514,745.20x = 773,003.54 × 492,601.83
  4. Step 4: Simplify right side
    514,745.20x = 380,782,958,400.48
  5. Step 5: Solve for x
    x = 380,782,958,400.48/514,745.20
  6. Step 6: Final answer
    x = 739,750.38

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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.