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Finding the Fourth Proportional to 543,559.60, 814,561.80 and 377,153.20

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Solution

The fourth proportional to 543,559.60, 814,561.80 and 377,153.20 is: 565,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,559.60 : 814,561.80 = 377,153.20 : x
  2. Step 2: Convert to fraction form
    543,559.60/814,561.80 = 377,153.20/x
  3. Step 3: Cross multiply
    543,559.60x = 814,561.80 × 377,153.20
  4. Step 4: Simplify right side
    543,559.60x = 307,214,589,467.76
  5. Step 5: Solve for x
    x = 307,214,589,467.76/543,559.60
  6. Step 6: Final answer
    x = 565,190.26

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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.