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Finding the Fourth Proportional to 545,234.20, 816,296.10 and 483,026.20

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Solution

The fourth proportional to 545,234.20, 816,296.10 and 483,026.20 is: 723,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,234.20 : 816,296.10 = 483,026.20 : x
  2. Step 2: Convert to fraction form
    545,234.20/816,296.10 = 483,026.20/x
  3. Step 3: Cross multiply
    545,234.20x = 816,296.10 × 483,026.20
  4. Step 4: Simplify right side
    545,234.20x = 394,292,403,257.82
  5. Step 5: Solve for x
    x = 394,292,403,257.82/545,234.20
  6. Step 6: Final answer
    x = 723,161.54

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Similar ratio
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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.