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Finding the Fourth Proportional to 551,645.60, 827,662.80 and 532,205.60

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Solution

The fourth proportional to 551,645.60, 827,662.80 and 532,205.60 is: 798,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,645.60 : 827,662.80 = 532,205.60 : x
  2. Step 2: Convert to fraction form
    551,645.60/827,662.80 = 532,205.60/x
  3. Step 3: Cross multiply
    551,645.60x = 827,662.80 × 532,205.60
  4. Step 4: Simplify right side
    551,645.60x = 440,486,777,071.68
  5. Step 5: Solve for x
    x = 440,486,777,071.68/551,645.60
  6. Step 6: Final answer
    x = 798,495.95

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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.