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Finding the Fourth Proportional to 567,896.40, 850,387.68 and 551,078.64

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Solution

The fourth proportional to 567,896.40, 850,387.68 and 551,078.64 is: 825,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,896.40 : 850,387.68 = 551,078.64 : x
  2. Step 2: Convert to fraction form
    567,896.40/850,387.68 = 551,078.64/x
  3. Step 3: Cross multiply
    567,896.40x = 850,387.68 × 551,078.64
  4. Step 4: Simplify right side
    567,896.40x = 468,630,486,167.16
  5. Step 5: Solve for x
    x = 468,630,486,167.16/567,896.40
  6. Step 6: Final answer
    x = 825,204.19

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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.