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Finding the Fourth Proportional to 307,420.09, 460,996.21 and 163,294.37

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Solution

The fourth proportional to 307,420.09, 460,996.21 and 163,294.37 is: 244,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,420.09 : 460,996.21 = 163,294.37 : x
  2. Step 2: Convert to fraction form
    307,420.09/460,996.21 = 163,294.37/x
  3. Step 3: Cross multiply
    307,420.09x = 460,996.21 × 163,294.37
  4. Step 4: Simplify right side
    307,420.09x = 75,278,087,500.21
  5. Step 5: Solve for x
    x = 75,278,087,500.21/307,420.09
  6. Step 6: Final answer
    x = 244,870.42

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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.