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Finding the Fourth Proportional to 551,454.20, 827,181.30 and 362,497.40

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Solution

The fourth proportional to 551,454.20, 827,181.30 and 362,497.40 is: 543,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,454.20 : 827,181.30 = 362,497.40 : x
  2. Step 2: Convert to fraction form
    551,454.20/827,181.30 = 362,497.40/x
  3. Step 3: Cross multiply
    551,454.20x = 827,181.30 × 362,497.40
  4. Step 4: Simplify right side
    551,454.20x = 299,851,070,578.62
  5. Step 5: Solve for x
    x = 299,851,070,578.62/551,454.20
  6. Step 6: Final answer
    x = 543,746.10

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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.