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Finding the Fourth Proportional to 344,300.40, 516,450.96 and 107,644.32

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Solution

The fourth proportional to 344,300.40, 516,450.96 and 107,644.32 is: 161,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,300.40 : 516,450.96 = 107,644.32 : x
  2. Step 2: Convert to fraction form
    344,300.40/516,450.96 = 107,644.32/x
  3. Step 3: Cross multiply
    344,300.40x = 516,450.96 × 107,644.32
  4. Step 4: Simplify right side
    344,300.40x = 55,593,012,402.55
  5. Step 5: Solve for x
    x = 55,593,012,402.55/344,300.40
  6. Step 6: Final answer
    x = 161,466.59

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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.