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Finding the Fourth Proportional to 551,978.06, 827,372.04 and 267,066.64

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Solution

The fourth proportional to 551,978.06, 827,372.04 and 267,066.64 is: 400,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,978.06 : 827,372.04 = 267,066.64 : x
  2. Step 2: Convert to fraction form
    551,978.06/827,372.04 = 267,066.64/x
  3. Step 3: Cross multiply
    551,978.06x = 827,372.04 × 267,066.64
  4. Step 4: Simplify right side
    551,978.06x = 220,963,470,752.75
  5. Step 5: Solve for x
    x = 220,963,470,752.75/551,978.06
  6. Step 6: Final answer
    x = 400,312.05

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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.