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Finding the Fourth Proportional to 551,273.60, 827,140.80 and 177,411.20

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Solution

The fourth proportional to 551,273.60, 827,140.80 and 177,411.20 is: 266,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,273.60 : 827,140.80 = 177,411.20 : x
  2. Step 2: Convert to fraction form
    551,273.60/827,140.80 = 177,411.20/x
  3. Step 3: Cross multiply
    551,273.60x = 827,140.80 × 177,411.20
  4. Step 4: Simplify right side
    551,273.60x = 146,744,041,896.96
  5. Step 5: Solve for x
    x = 146,744,041,896.96/551,273.60
  6. Step 6: Final answer
    x = 266,190.95

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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.