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Finding the Fourth Proportional to 332,679.93, 459,097.85 and 189,439.97

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Solution

The fourth proportional to 332,679.93, 459,097.85 and 189,439.97 is: 261,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,679.93 : 459,097.85 = 189,439.97 : x
  2. Step 2: Convert to fraction form
    332,679.93/459,097.85 = 189,439.97/x
  3. Step 3: Cross multiply
    332,679.93x = 459,097.85 × 189,439.97
  4. Step 4: Simplify right side
    332,679.93x = 86,971,482,931.06
  5. Step 5: Solve for x
    x = 86,971,482,931.06/332,679.93
  6. Step 6: Final answer
    x = 261,426.90

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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.