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Finding the Fourth Proportional to 551,441.60, 825,412.80 and 551,441.60

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Solution

The fourth proportional to 551,441.60, 825,412.80 and 551,441.60 is: 825,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,441.60 : 825,412.80 = 551,441.60 : x
  2. Step 2: Convert to fraction form
    551,441.60/825,412.80 = 551,441.60/x
  3. Step 3: Cross multiply
    551,441.60x = 825,412.80 × 551,441.60
  4. Step 4: Simplify right side
    551,441.60x = 455,166,955,092.48
  5. Step 5: Solve for x
    x = 455,166,955,092.48/551,441.60
  6. Step 6: Final answer
    x = 825,412.80

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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.