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Finding the Fourth Proportional to 551,455.10, 827,182.65 and 495,467.90

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Solution

The fourth proportional to 551,455.10, 827,182.65 and 495,467.90 is: 743,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,455.10 : 827,182.65 = 495,467.90 : x
  2. Step 2: Convert to fraction form
    551,455.10/827,182.65 = 495,467.90/x
  3. Step 3: Cross multiply
    551,455.10x = 827,182.65 × 495,467.90
  4. Step 4: Simplify right side
    551,455.10x = 409,842,450,511.94
  5. Step 5: Solve for x
    x = 409,842,450,511.94/551,455.10
  6. Step 6: Final answer
    x = 743,201.85

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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.