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Finding the Fourth Proportional to 609,524.80, 914,287.20 and 519,323.20

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Solution

The fourth proportional to 609,524.80, 914,287.20 and 519,323.20 is: 778,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,524.80 : 914,287.20 = 519,323.20 : x
  2. Step 2: Convert to fraction form
    609,524.80/914,287.20 = 519,323.20/x
  3. Step 3: Cross multiply
    609,524.80x = 914,287.20 × 519,323.20
  4. Step 4: Simplify right side
    609,524.80x = 474,810,554,423.04
  5. Step 5: Solve for x
    x = 474,810,554,423.04/609,524.80
  6. Step 6: Final answer
    x = 778,984.80

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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.