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Finding the Fourth Proportional to 547,737.45, 822,282.81 and 259,824.39

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Solution

The fourth proportional to 547,737.45, 822,282.81 and 259,824.39 is: 390,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,737.45 : 822,282.81 = 259,824.39 : x
  2. Step 2: Convert to fraction form
    547,737.45/822,282.81 = 259,824.39/x
  3. Step 3: Cross multiply
    547,737.45x = 822,282.81 × 259,824.39
  4. Step 4: Simplify right side
    547,737.45x = 213,649,129,515.74
  5. Step 5: Solve for x
    x = 213,649,129,515.74/547,737.45
  6. Step 6: Final answer
    x = 390,057.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.