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Finding the Fourth Proportional to 544,423.17, 816,800.91 and 278,370.52

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Solution

The fourth proportional to 544,423.17, 816,800.91 and 278,370.52 is: 417,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,423.17 : 816,800.91 = 278,370.52 : x
  2. Step 2: Convert to fraction form
    544,423.17/816,800.91 = 278,370.52/x
  3. Step 3: Cross multiply
    544,423.17x = 816,800.91 × 278,370.52
  4. Step 4: Simplify right side
    544,423.17x = 227,373,297,127.62
  5. Step 5: Solve for x
    x = 227,373,297,127.62/544,423.17
  6. Step 6: Final answer
    x = 417,640.74

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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.