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Finding the Fourth Proportional to 609,086.89, 840,547.32 and 337,179.93

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Solution

The fourth proportional to 609,086.89, 840,547.32 and 337,179.93 is: 465,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,086.89 : 840,547.32 = 337,179.93 : x
  2. Step 2: Convert to fraction form
    609,086.89/840,547.32 = 337,179.93/x
  3. Step 3: Cross multiply
    609,086.89x = 840,547.32 × 337,179.93
  4. Step 4: Simplify right side
    609,086.89x = 283,415,686,519.29
  5. Step 5: Solve for x
    x = 283,415,686,519.29/609,086.89
  6. Step 6: Final answer
    x = 465,312.41

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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.