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Finding the Fourth Proportional to 551,671.60, 827,507.40 and 196,697.20

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Solution

The fourth proportional to 551,671.60, 827,507.40 and 196,697.20 is: 295,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,671.60 : 827,507.40 = 196,697.20 : x
  2. Step 2: Convert to fraction form
    551,671.60/827,507.40 = 196,697.20/x
  3. Step 3: Cross multiply
    551,671.60x = 827,507.40 × 196,697.20
  4. Step 4: Simplify right side
    551,671.60x = 162,768,388,559.28
  5. Step 5: Solve for x
    x = 162,768,388,559.28/551,671.60
  6. Step 6: Final answer
    x = 295,045.80

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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.