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Finding the Fourth Proportional to 307,941.40, 462,387.30 and 167,973.40

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Solution

The fourth proportional to 307,941.40, 462,387.30 and 167,973.40 is: 252,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,941.40 : 462,387.30 = 167,973.40 : x
  2. Step 2: Convert to fraction form
    307,941.40/462,387.30 = 167,973.40/x
  3. Step 3: Cross multiply
    307,941.40x = 462,387.30 × 167,973.40
  4. Step 4: Simplify right side
    307,941.40x = 77,668,766,897.82
  5. Step 5: Solve for x
    x = 77,668,766,897.82/307,941.40
  6. Step 6: Final answer
    x = 252,219.31

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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.