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Finding the Fourth Proportional to 609,274.53, 840,825.14 and 337,342.43

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Solution

The fourth proportional to 609,274.53, 840,825.14 and 337,342.43 is: 465,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,274.53 : 840,825.14 = 337,342.43 : x
  2. Step 2: Convert to fraction form
    609,274.53/840,825.14 = 337,342.43/x
  3. Step 3: Cross multiply
    609,274.53x = 840,825.14 × 337,342.43
  4. Step 4: Simplify right side
    609,274.53x = 283,645,990,041.85
  5. Step 5: Solve for x
    x = 283,645,990,041.85/609,274.53
  6. Step 6: Final answer
    x = 465,547.10

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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.