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Finding the Fourth Proportional to 332,662.83, 459,079.10 and 189,423.45

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Solution

The fourth proportional to 332,662.83, 459,079.10 and 189,423.45 is: 261,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,662.83 : 459,079.10 = 189,423.45 : x
  2. Step 2: Convert to fraction form
    332,662.83/459,079.10 = 189,423.45/x
  3. Step 3: Cross multiply
    332,662.83x = 459,079.10 × 189,423.45
  4. Step 4: Simplify right side
    332,662.83x = 86,960,345,997.78
  5. Step 5: Solve for x
    x = 86,960,345,997.78/332,662.83
  6. Step 6: Final answer
    x = 261,406.86

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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.