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Finding the Fourth Proportional to 609,234.84, 840,716.64 and 337,283.64

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Solution

The fourth proportional to 609,234.84, 840,716.64 and 337,283.64 is: 465,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,234.84 : 840,716.64 = 337,283.64 : x
  2. Step 2: Convert to fraction form
    609,234.84/840,716.64 = 337,283.64/x
  3. Step 3: Cross multiply
    609,234.84x = 840,716.64 × 337,283.64
  4. Step 4: Simplify right side
    609,234.84x = 283,559,968,547.77
  5. Step 5: Solve for x
    x = 283,559,968,547.77/609,234.84
  6. Step 6: Final answer
    x = 465,436.23

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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.