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Finding the Fourth Proportional to 609,388.56, 840,958.20 and 333,746.64

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Solution

The fourth proportional to 609,388.56, 840,958.20 and 333,746.64 is: 460,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,388.56 : 840,958.20 = 333,746.64 : x
  2. Step 2: Convert to fraction form
    609,388.56/840,958.20 = 333,746.64/x
  3. Step 3: Cross multiply
    609,388.56x = 840,958.20 × 333,746.64
  4. Step 4: Simplify right side
    609,388.56x = 280,666,973,630.45
  5. Step 5: Solve for x
    x = 280,666,973,630.45/609,388.56
  6. Step 6: Final answer
    x = 460,571.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.