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Finding the Fourth Proportional to 547,516.80, 819,892.80 and 436,924.80

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Solution

The fourth proportional to 547,516.80, 819,892.80 and 436,924.80 is: 654,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,516.80 : 819,892.80 = 436,924.80 : x
  2. Step 2: Convert to fraction form
    547,516.80/819,892.80 = 436,924.80/x
  3. Step 3: Cross multiply
    547,516.80x = 819,892.80 × 436,924.80
  4. Step 4: Simplify right side
    547,516.80x = 358,231,497,661.44
  5. Step 5: Solve for x
    x = 358,231,497,661.44/547,516.80
  6. Step 6: Final answer
    x = 654,284.03

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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.