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Finding the Fourth Proportional to 551,484.60, 827,226.90 and 177,507.60

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Solution

The fourth proportional to 551,484.60, 827,226.90 and 177,507.60 is: 266,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,484.60 : 827,226.90 = 177,507.60 : x
  2. Step 2: Convert to fraction form
    551,484.60/827,226.90 = 177,507.60/x
  3. Step 3: Cross multiply
    551,484.60x = 827,226.90 × 177,507.60
  4. Step 4: Simplify right side
    551,484.60x = 146,839,061,674.44
  5. Step 5: Solve for x
    x = 146,839,061,674.44/551,484.60
  6. Step 6: Final answer
    x = 266,261.40

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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.