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Finding the Fourth Proportional to 332,863.32, 459,300 and 189,605.16

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Solution

The fourth proportional to 332,863.32, 459,300 and 189,605.16 is: 261,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,863.32 : 459,300 = 189,605.16 : x
  2. Step 2: Convert to fraction form
    332,863.32/459,300 = 189,605.16/x
  3. Step 3: Cross multiply
    332,863.32x = 459,300 × 189,605.16
  4. Step 4: Simplify right side
    332,863.32x = 87,085,649,988
  5. Step 5: Solve for x
    x = 87,085,649,988/332,863.32
  6. Step 6: Final answer
    x = 261,625.85

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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.