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Finding the Fourth Proportional to 499,273.20, 748,909.80 and 249,922.80

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Solution

The fourth proportional to 499,273.20, 748,909.80 and 249,922.80 is: 374,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,273.20 : 748,909.80 = 249,922.80 : x
  2. Step 2: Convert to fraction form
    499,273.20/748,909.80 = 249,922.80/x
  3. Step 3: Cross multiply
    499,273.20x = 748,909.80 × 249,922.80
  4. Step 4: Simplify right side
    499,273.20x = 187,169,634,163.44
  5. Step 5: Solve for x
    x = 187,169,634,163.44/499,273.20
  6. Step 6: Final answer
    x = 374,884.20

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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.