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Finding the Fourth Proportional to 551,424.60, 825,387.30 and 551,424.60

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Solution

The fourth proportional to 551,424.60, 825,387.30 and 551,424.60 is: 825,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,424.60 : 825,387.30 = 551,424.60 : x
  2. Step 2: Convert to fraction form
    551,424.60/825,387.30 = 551,424.60/x
  3. Step 3: Cross multiply
    551,424.60x = 825,387.30 × 551,424.60
  4. Step 4: Simplify right side
    551,424.60x = 455,138,861,747.58
  5. Step 5: Solve for x
    x = 455,138,861,747.58/551,424.60
  6. Step 6: Final answer
    x = 825,387.30

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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.