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Finding the Fourth Proportional to 312,735.60, 469,236.24 and 154,967.04

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Solution

The fourth proportional to 312,735.60, 469,236.24 and 154,967.04 is: 232,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,735.60 : 469,236.24 = 154,967.04 : x
  2. Step 2: Convert to fraction form
    312,735.60/469,236.24 = 154,967.04/x
  3. Step 3: Cross multiply
    312,735.60x = 469,236.24 × 154,967.04
  4. Step 4: Simplify right side
    312,735.60x = 72,716,151,173.53
  5. Step 5: Solve for x
    x = 72,716,151,173.53/312,735.60
  6. Step 6: Final answer
    x = 232,516.39

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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.