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Finding the Fourth Proportional to 332,731.68, 459,116.64 and 189,494.40

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Solution

The fourth proportional to 332,731.68, 459,116.64 and 189,494.40 is: 261,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,731.68 : 459,116.64 = 189,494.40 : x
  2. Step 2: Convert to fraction form
    332,731.68/459,116.64 = 189,494.40/x
  3. Step 3: Cross multiply
    332,731.68x = 459,116.64 × 189,494.40
  4. Step 4: Simplify right side
    332,731.68x = 87,000,032,226.82
  5. Step 5: Solve for x
    x = 87,000,032,226.82/332,731.68
  6. Step 6: Final answer
    x = 261,472.04

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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.