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Finding the Fourth Proportional to 543,350.04, 814,998.75 and 206,364.39

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Solution

The fourth proportional to 543,350.04, 814,998.75 and 206,364.39 is: 309,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,350.04 : 814,998.75 = 206,364.39 : x
  2. Step 2: Convert to fraction form
    543,350.04/814,998.75 = 206,364.39/x
  3. Step 3: Cross multiply
    543,350.04x = 814,998.75 × 206,364.39
  4. Step 4: Simplify right side
    543,350.04x = 168,186,719,894.51
  5. Step 5: Solve for x
    x = 168,186,719,894.51/543,350.04
  6. Step 6: Final answer
    x = 309,536.60

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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.