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Finding the Fourth Proportional to 332,666.96, 459,084.78 and 189,427.57

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Solution

The fourth proportional to 332,666.96, 459,084.78 and 189,427.57 is: 261,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,666.96 : 459,084.78 = 189,427.57 : x
  2. Step 2: Convert to fraction form
    332,666.96/459,084.78 = 189,427.57/x
  3. Step 3: Cross multiply
    332,666.96x = 459,084.78 × 189,427.57
  4. Step 4: Simplify right side
    332,666.96x = 86,963,314,299.38
  5. Step 5: Solve for x
    x = 86,963,314,299.38/332,666.96
  6. Step 6: Final answer
    x = 261,412.54

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1.5x scale

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.