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Finding the Fourth Proportional to 442,586.64, 610,766.78 and 251,600.08

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Solution

The fourth proportional to 442,586.64, 610,766.78 and 251,600.08 is: 347,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,586.64 : 610,766.78 = 251,600.08 : x
  2. Step 2: Convert to fraction form
    442,586.64/610,766.78 = 251,600.08/x
  3. Step 3: Cross multiply
    442,586.64x = 610,766.78 × 251,600.08
  4. Step 4: Simplify right side
    442,586.64x = 153,668,970,709.34
  5. Step 5: Solve for x
    x = 153,668,970,709.34/442,586.64
  6. Step 6: Final answer
    x = 347,206.53

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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.