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Finding the Fourth Proportional to 609,774.77, 841,478.26 and 337,837.20

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Solution

The fourth proportional to 609,774.77, 841,478.26 and 337,837.20 is: 466,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,774.77 : 841,478.26 = 337,837.20 : x
  2. Step 2: Convert to fraction form
    609,774.77/841,478.26 = 337,837.20/x
  3. Step 3: Cross multiply
    609,774.77x = 841,478.26 × 337,837.20
  4. Step 4: Simplify right side
    609,774.77x = 284,282,659,219.27
  5. Step 5: Solve for x
    x = 284,282,659,219.27/609,774.77
  6. Step 6: Final answer
    x = 466,209.28

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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.