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Finding the Fourth Proportional to 442,898.94, 611,200.59 and 273,231.66

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Solution

The fourth proportional to 442,898.94, 611,200.59 and 273,231.66 is: 377,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,898.94 : 611,200.59 = 273,231.66 : x
  2. Step 2: Convert to fraction form
    442,898.94/611,200.59 = 273,231.66/x
  3. Step 3: Cross multiply
    442,898.94x = 611,200.59 × 273,231.66
  4. Step 4: Simplify right side
    442,898.94x = 166,999,351,798.68
  5. Step 5: Solve for x
    x = 166,999,351,798.68/442,898.94
  6. Step 6: Final answer
    x = 377,059.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.