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Finding the Fourth Proportional to 541,837.60, 810,452.40 and 486,080.80

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Solution

The fourth proportional to 541,837.60, 810,452.40 and 486,080.80 is: 727,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,837.60 : 810,452.40 = 486,080.80 : x
  2. Step 2: Convert to fraction form
    541,837.60/810,452.40 = 486,080.80/x
  3. Step 3: Cross multiply
    541,837.60x = 810,452.40 × 486,080.80
  4. Step 4: Simplify right side
    541,837.60x = 393,945,350,953.92
  5. Step 5: Solve for x
    x = 393,945,350,953.92/541,837.60
  6. Step 6: Final answer
    x = 727,054.29

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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.