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Finding the Fourth Proportional to 551,459.60, 825,439.80 and 551,459.60

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Solution

The fourth proportional to 551,459.60, 825,439.80 and 551,459.60 is: 825,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,459.60 : 825,439.80 = 551,459.60 : x
  2. Step 2: Convert to fraction form
    551,459.60/825,439.80 = 551,459.60/x
  3. Step 3: Cross multiply
    551,459.60x = 825,439.80 × 551,459.60
  4. Step 4: Simplify right side
    551,459.60x = 455,196,701,932.08
  5. Step 5: Solve for x
    x = 455,196,701,932.08/551,459.60
  6. Step 6: Final answer
    x = 825,439.80

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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.