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Finding the Fourth Proportional to 609,865.50, 841,614.39 and 371,401.50

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Solution

The fourth proportional to 609,865.50, 841,614.39 and 371,401.50 is: 512,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,865.50 : 841,614.39 = 371,401.50 : x
  2. Step 2: Convert to fraction form
    609,865.50/841,614.39 = 371,401.50/x
  3. Step 3: Cross multiply
    609,865.50x = 841,614.39 × 371,401.50
  4. Step 4: Simplify right side
    609,865.50x = 312,576,846,867.59
  5. Step 5: Solve for x
    x = 312,576,846,867.59/609,865.50
  6. Step 6: Final answer
    x = 512,534.07

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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.