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Finding the Fourth Proportional to 301,900.80, 452,851.20 and 269,241.60

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Solution

The fourth proportional to 301,900.80, 452,851.20 and 269,241.60 is: 403,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,900.80 : 452,851.20 = 269,241.60 : x
  2. Step 2: Convert to fraction form
    301,900.80/452,851.20 = 269,241.60/x
  3. Step 3: Cross multiply
    301,900.80x = 452,851.20 × 269,241.60
  4. Step 4: Simplify right side
    301,900.80x = 121,926,381,649.92
  5. Step 5: Solve for x
    x = 121,926,381,649.92/301,900.80
  6. Step 6: Final answer
    x = 403,862.40

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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.