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Finding the Fourth Proportional to 481,567.80, 720,969.30 and 467,743.80

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Solution

The fourth proportional to 481,567.80, 720,969.30 and 467,743.80 is: 700,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,567.80 : 720,969.30 = 467,743.80 : x
  2. Step 2: Convert to fraction form
    481,567.80/720,969.30 = 467,743.80/x
  3. Step 3: Cross multiply
    481,567.80x = 720,969.30 × 467,743.80
  4. Step 4: Simplify right side
    481,567.80x = 337,228,920,065.34
  5. Step 5: Solve for x
    x = 337,228,920,065.34/481,567.80
  6. Step 6: Final answer
    x = 700,272.98

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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.