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Finding the Fourth Proportional to 504,556.02, 755,322.84 and 486,611.55

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Solution

The fourth proportional to 504,556.02, 755,322.84 and 486,611.55 is: 728,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,556.02 : 755,322.84 = 486,611.55 : x
  2. Step 2: Convert to fraction form
    504,556.02/755,322.84 = 486,611.55/x
  3. Step 3: Cross multiply
    504,556.02x = 755,322.84 × 486,611.55
  4. Step 4: Simplify right side
    504,556.02x = 367,548,817,922.80
  5. Step 5: Solve for x
    x = 367,548,817,922.80/504,556.02
  6. Step 6: Final answer
    x = 728,459.88

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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.