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Finding the Fourth Proportional to 307,988.10, 461,636.55 and 174,932.10

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Solution

The fourth proportional to 307,988.10, 461,636.55 and 174,932.10 is: 262,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,988.10 : 461,636.55 = 174,932.10 : x
  2. Step 2: Convert to fraction form
    307,988.10/461,636.55 = 174,932.10/x
  3. Step 3: Cross multiply
    307,988.10x = 461,636.55 × 174,932.10
  4. Step 4: Simplify right side
    307,988.10x = 80,755,051,128.26
  5. Step 5: Solve for x
    x = 80,755,051,128.26/307,988.10
  6. Step 6: Final answer
    x = 262,201.85

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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.