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Finding the Fourth Proportional to 543,305.20, 814,957.80 and 501,314.80

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Solution

The fourth proportional to 543,305.20, 814,957.80 and 501,314.80 is: 751,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,305.20 : 814,957.80 = 501,314.80 : x
  2. Step 2: Convert to fraction form
    543,305.20/814,957.80 = 501,314.80/x
  3. Step 3: Cross multiply
    543,305.20x = 814,957.80 × 501,314.80
  4. Step 4: Simplify right side
    543,305.20x = 408,550,406,515.44
  5. Step 5: Solve for x
    x = 408,550,406,515.44/543,305.20
  6. Step 6: Final answer
    x = 751,972.20

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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.