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Finding the Fourth Proportional to 551,447.60, 827,365.80 and 532,007.60

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Solution

The fourth proportional to 551,447.60, 827,365.80 and 532,007.60 is: 798,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,447.60 : 827,365.80 = 532,007.60 : x
  2. Step 2: Convert to fraction form
    551,447.60/827,365.80 = 532,007.60/x
  3. Step 3: Cross multiply
    551,447.60x = 827,365.80 × 532,007.60
  4. Step 4: Simplify right side
    551,447.60x = 440,164,893,580.08
  5. Step 5: Solve for x
    x = 440,164,893,580.08/551,447.60
  6. Step 6: Final answer
    x = 798,198.95

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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.