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Finding the Fourth Proportional to 445,522.33, 668,180.07 and 265,657.98

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Solution

The fourth proportional to 445,522.33, 668,180.07 and 265,657.98 is: 398,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,522.33 : 668,180.07 = 265,657.98 : x
  2. Step 2: Convert to fraction form
    445,522.33/668,180.07 = 265,657.98/x
  3. Step 3: Cross multiply
    445,522.33x = 668,180.07 × 265,657.98
  4. Step 4: Simplify right side
    445,522.33x = 177,507,367,672.46
  5. Step 5: Solve for x
    x = 177,507,367,672.46/445,522.33
  6. Step 6: Final answer
    x = 398,425.30

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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.