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Finding the Fourth Proportional to 250,070.36, 375,918.37 and 200,691.54

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Solution

The fourth proportional to 250,070.36, 375,918.37 and 200,691.54 is: 301,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,070.36 : 375,918.37 = 200,691.54 : x
  2. Step 2: Convert to fraction form
    250,070.36/375,918.37 = 200,691.54/x
  3. Step 3: Cross multiply
    250,070.36x = 375,918.37 × 200,691.54
  4. Step 4: Simplify right side
    250,070.36x = 75,443,636,087.86
  5. Step 5: Solve for x
    x = 75,443,636,087.86/250,070.36
  6. Step 6: Final answer
    x = 301,689.64

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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.