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Finding the Fourth Proportional to 481,884.20, 722,826.30 and 404,901.80

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Solution

The fourth proportional to 481,884.20, 722,826.30 and 404,901.80 is: 607,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,884.20 : 722,826.30 = 404,901.80 : x
  2. Step 2: Convert to fraction form
    481,884.20/722,826.30 = 404,901.80/x
  3. Step 3: Cross multiply
    481,884.20x = 722,826.30 × 404,901.80
  4. Step 4: Simplify right side
    481,884.20x = 292,673,669,957.34
  5. Step 5: Solve for x
    x = 292,673,669,957.34/481,884.20
  6. Step 6: Final answer
    x = 607,352.70

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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.