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Finding the Fourth Proportional to 262,766.76, 362,598.94 and 155,316.04

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Solution

The fourth proportional to 262,766.76, 362,598.94 and 155,316.04 is: 214,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,766.76 : 362,598.94 = 155,316.04 : x
  2. Step 2: Convert to fraction form
    262,766.76/362,598.94 = 155,316.04/x
  3. Step 3: Cross multiply
    262,766.76x = 362,598.94 × 155,316.04
  4. Step 4: Simplify right side
    262,766.76x = 56,317,431,469.00
  5. Step 5: Solve for x
    x = 56,317,431,469.00/262,766.76
  6. Step 6: Final answer
    x = 214,324.79

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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.