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Finding the Fourth Proportional to 307,901.40, 462,327.30 and 167,933.40

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Solution

The fourth proportional to 307,901.40, 462,327.30 and 167,933.40 is: 252,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,901.40 : 462,327.30 = 167,933.40 : x
  2. Step 2: Convert to fraction form
    307,901.40/462,327.30 = 167,933.40/x
  3. Step 3: Cross multiply
    307,901.40x = 462,327.30 × 167,933.40
  4. Step 4: Simplify right side
    307,901.40x = 77,640,195,401.82
  5. Step 5: Solve for x
    x = 77,640,195,401.82/307,901.40
  6. Step 6: Final answer
    x = 252,159.28

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1.5x scale

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.