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Finding the Fourth Proportional to 493,865.43, 740,792.75 and 119,888.43

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Solution

The fourth proportional to 493,865.43, 740,792.75 and 119,888.43 is: 179,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,865.43 : 740,792.75 = 119,888.43 : x
  2. Step 2: Convert to fraction form
    493,865.43/740,792.75 = 119,888.43/x
  3. Step 3: Cross multiply
    493,865.43x = 740,792.75 × 119,888.43
  4. Step 4: Simplify right side
    493,865.43x = 88,812,479,153.44
  5. Step 5: Solve for x
    x = 88,812,479,153.44/493,865.43
  6. Step 6: Final answer
    x = 179,831.33

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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.