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Finding the Fourth Proportional to 332,491.30, 458,840.93 and 189,260.57

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Solution

The fourth proportional to 332,491.30, 458,840.93 and 189,260.57 is: 261,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,491.30 : 458,840.93 = 189,260.57 : x
  2. Step 2: Convert to fraction form
    332,491.30/458,840.93 = 189,260.57/x
  3. Step 3: Cross multiply
    332,491.30x = 458,840.93 × 189,260.57
  4. Step 4: Simplify right side
    332,491.30x = 86,840,495,951.13
  5. Step 5: Solve for x
    x = 86,840,495,951.13/332,491.30
  6. Step 6: Final answer
    x = 261,181.26

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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.