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Finding the Fourth Proportional to 332,682.99, 459,102 and 189,443.08

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Solution

The fourth proportional to 332,682.99, 459,102 and 189,443.08 is: 261,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,682.99 : 459,102 = 189,443.08 : x
  2. Step 2: Convert to fraction form
    332,682.99/459,102 = 189,443.08/x
  3. Step 3: Cross multiply
    332,682.99x = 459,102 × 189,443.08
  4. Step 4: Simplify right side
    332,682.99x = 86,973,696,914.16
  5. Step 5: Solve for x
    x = 86,973,696,914.16/332,682.99
  6. Step 6: Final answer
    x = 261,431.15

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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.