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Finding the Fourth Proportional to 307,952.40, 462,403.80 and 167,984.40

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Solution

The fourth proportional to 307,952.40, 462,403.80 and 167,984.40 is: 252,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,952.40 : 462,403.80 = 167,984.40 : x
  2. Step 2: Convert to fraction form
    307,952.40/462,403.80 = 167,984.40/x
  3. Step 3: Cross multiply
    307,952.40x = 462,403.80 × 167,984.40
  4. Step 4: Simplify right side
    307,952.40x = 77,676,624,900.72
  5. Step 5: Solve for x
    x = 77,676,624,900.72/307,952.40
  6. Step 6: Final answer
    x = 252,235.82

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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.