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Finding the Fourth Proportional to 332,632.26, 459,033 and 189,392.40

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Solution

The fourth proportional to 332,632.26, 459,033 and 189,392.40 is: 261,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,632.26 : 459,033 = 189,392.40 : x
  2. Step 2: Convert to fraction form
    332,632.26/459,033 = 189,392.40/x
  3. Step 3: Cross multiply
    332,632.26x = 459,033 × 189,392.40
  4. Step 4: Simplify right side
    332,632.26x = 86,937,361,549.20
  5. Step 5: Solve for x
    x = 86,937,361,549.20/332,632.26
  6. Step 6: Final answer
    x = 261,361.79

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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.