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Finding the Fourth Proportional to 462,276.57, 693,634.77 and 320,340.27

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Solution

The fourth proportional to 462,276.57, 693,634.77 and 320,340.27 is: 480,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,276.57 : 693,634.77 = 320,340.27 : x
  2. Step 2: Convert to fraction form
    462,276.57/693,634.77 = 320,340.27/x
  3. Step 3: Cross multiply
    462,276.57x = 693,634.77 × 320,340.27
  4. Step 4: Simplify right side
    462,276.57x = 222,199,149,503.19
  5. Step 5: Solve for x
    x = 222,199,149,503.19/462,276.57
  6. Step 6: Final answer
    x = 480,662.80

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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.