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Finding the Fourth Proportional to 591,644.80, 887,467.20 and 449,927.20

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Solution

The fourth proportional to 591,644.80, 887,467.20 and 449,927.20 is: 674,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,644.80 : 887,467.20 = 449,927.20 : x
  2. Step 2: Convert to fraction form
    591,644.80/887,467.20 = 449,927.20/x
  3. Step 3: Cross multiply
    591,644.80x = 887,467.20 × 449,927.20
  4. Step 4: Simplify right side
    591,644.80x = 399,295,632,387.84
  5. Step 5: Solve for x
    x = 399,295,632,387.84/591,644.80
  6. Step 6: Final answer
    x = 674,890.80

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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.