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Finding the Fourth Proportional to 332,683.78, 459,048.08 and 189,446.02

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Solution

The fourth proportional to 332,683.78, 459,048.08 and 189,446.02 is: 261,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,683.78 : 459,048.08 = 189,446.02 : x
  2. Step 2: Convert to fraction form
    332,683.78/459,048.08 = 189,446.02/x
  3. Step 3: Cross multiply
    332,683.78x = 459,048.08 × 189,446.02
  4. Step 4: Simplify right side
    332,683.78x = 86,964,831,744.64
  5. Step 5: Solve for x
    x = 86,964,831,744.64/332,683.78
  6. Step 6: Final answer
    x = 261,403.88

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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.