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Finding the Fourth Proportional to 609,361.71, 840,908.82 and 337,423.76

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Solution

The fourth proportional to 609,361.71, 840,908.82 and 337,423.76 is: 465,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,361.71 : 840,908.82 = 337,423.76 : x
  2. Step 2: Convert to fraction form
    609,361.71/840,908.82 = 337,423.76/x
  3. Step 3: Cross multiply
    609,361.71x = 840,908.82 × 337,423.76
  4. Step 4: Simplify right side
    609,361.71x = 283,742,615,861.56
  5. Step 5: Solve for x
    x = 283,742,615,861.56/609,361.71
  6. Step 6: Final answer
    x = 465,639.06

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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.