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Finding the Fourth Proportional to 572,605.20, 790,281.36 and 411,991.92

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Solution

The fourth proportional to 572,605.20, 790,281.36 and 411,991.92 is: 568,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,605.20 : 790,281.36 = 411,991.92 : x
  2. Step 2: Convert to fraction form
    572,605.20/790,281.36 = 411,991.92/x
  3. Step 3: Cross multiply
    572,605.20x = 790,281.36 × 411,991.92
  4. Step 4: Simplify right side
    572,605.20x = 325,589,534,846.61
  5. Step 5: Solve for x
    x = 325,589,534,846.61/572,605.20
  6. Step 6: Final answer
    x = 568,610.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.