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Finding the Fourth Proportional to 835,960.56, 1,153,634.04 and 453,994.80

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Solution

The fourth proportional to 835,960.56, 1,153,634.04 and 453,994.80 is: 626,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,960.56 : 1,153,634.04 = 453,994.80 : x
  2. Step 2: Convert to fraction form
    835,960.56/1,153,634.04 = 453,994.80/x
  3. Step 3: Cross multiply
    835,960.56x = 1,153,634.04 × 453,994.80
  4. Step 4: Simplify right side
    835,960.56x = 523,743,855,262.99
  5. Step 5: Solve for x
    x = 523,743,855,262.99/835,960.56
  6. Step 6: Final answer
    x = 626,517.42

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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.