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Finding the Fourth Proportional to 332,607.32, 459,080.12 and 189,451.97

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Solution

The fourth proportional to 332,607.32, 459,080.12 and 189,451.97 is: 261,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,607.32 : 459,080.12 = 189,451.97 : x
  2. Step 2: Convert to fraction form
    332,607.32/459,080.12 = 189,451.97/x
  3. Step 3: Cross multiply
    332,607.32x = 459,080.12 × 189,451.97
  4. Step 4: Simplify right side
    332,607.32x = 86,973,631,300.07
  5. Step 5: Solve for x
    x = 86,973,631,300.07/332,607.32
  6. Step 6: Final answer
    x = 261,490.43

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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.