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Finding the Fourth Proportional to 307,888.47, 461,965.74 and 165,567.39

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Solution

The fourth proportional to 307,888.47, 461,965.74 and 165,567.39 is: 248,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,888.47 : 461,965.74 = 165,567.39 : x
  2. Step 2: Convert to fraction form
    307,888.47/461,965.74 = 165,567.39/x
  3. Step 3: Cross multiply
    307,888.47x = 461,965.74 × 165,567.39
  4. Step 4: Simplify right side
    307,888.47x = 76,486,461,841.22
  5. Step 5: Solve for x
    x = 76,486,461,841.22/307,888.47
  6. Step 6: Final answer
    x = 248,422.62

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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.