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Finding the Fourth Proportional to 499,840.89, 749,684.33 and 162,880.68

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Solution

The fourth proportional to 499,840.89, 749,684.33 and 162,880.68 is: 244,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,840.89 : 749,684.33 = 162,880.68 : x
  2. Step 2: Convert to fraction form
    499,840.89/749,684.33 = 162,880.68/x
  3. Step 3: Cross multiply
    499,840.89x = 749,684.33 × 162,880.68
  4. Step 4: Simplify right side
    499,840.89x = 122,109,096,063.46
  5. Step 5: Solve for x
    x = 122,109,096,063.46/499,840.89
  6. Step 6: Final answer
    x = 244,295.93

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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.