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Finding the Fourth Proportional to 551,894.40, 827,193.60 and 545,984.64

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Solution

The fourth proportional to 551,894.40, 827,193.60 and 545,984.64 is: 818,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,894.40 : 827,193.60 = 545,984.64 : x
  2. Step 2: Convert to fraction form
    551,894.40/827,193.60 = 545,984.64/x
  3. Step 3: Cross multiply
    551,894.40x = 827,193.60 × 545,984.64
  4. Step 4: Simplify right side
    551,894.40x = 451,634,999,906.30
  5. Step 5: Solve for x
    x = 451,634,999,906.30/551,894.40
  6. Step 6: Final answer
    x = 818,335.90

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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.