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Finding the Fourth Proportional to 349,877.20, 524,815.80 and 322,843.60

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Solution

The fourth proportional to 349,877.20, 524,815.80 and 322,843.60 is: 484,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,877.20 : 524,815.80 = 322,843.60 : x
  2. Step 2: Convert to fraction form
    349,877.20/524,815.80 = 322,843.60/x
  3. Step 3: Cross multiply
    349,877.20x = 524,815.80 × 322,843.60
  4. Step 4: Simplify right side
    349,877.20x = 169,433,422,208.88
  5. Step 5: Solve for x
    x = 169,433,422,208.88/349,877.20
  6. Step 6: Final answer
    x = 484,265.40

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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.