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Finding the Fourth Proportional to 301,844.90, 452,127.62 and 206,628.39

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Solution

The fourth proportional to 301,844.90, 452,127.62 and 206,628.39 is: 309,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,844.90 : 452,127.62 = 206,628.39 : x
  2. Step 2: Convert to fraction form
    301,844.90/452,127.62 = 206,628.39/x
  3. Step 3: Cross multiply
    301,844.90x = 452,127.62 × 206,628.39
  4. Step 4: Simplify right side
    301,844.90x = 93,422,402,711.70
  5. Step 5: Solve for x
    x = 93,422,402,711.70/301,844.90
  6. Step 6: Final answer
    x = 309,504.66

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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.