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Finding the Fourth Proportional to 481,040.40, 723,310.20 and 470,542.80

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Solution

The fourth proportional to 481,040.40, 723,310.20 and 470,542.80 is: 707,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.40 : 723,310.20 = 470,542.80 : x
  2. Step 2: Convert to fraction form
    481,040.40/723,310.20 = 470,542.80/x
  3. Step 3: Cross multiply
    481,040.40x = 723,310.20 × 470,542.80
  4. Step 4: Simplify right side
    481,040.40x = 340,348,406,776.56
  5. Step 5: Solve for x
    x = 340,348,406,776.56/481,040.40
  6. Step 6: Final answer
    x = 707,525.62

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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.