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Finding the Fourth Proportional to 332,703.80, 459,130.72 and 189,463.88

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Solution

The fourth proportional to 332,703.80, 459,130.72 and 189,463.88 is: 261,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,703.80 : 459,130.72 = 189,463.88 : x
  2. Step 2: Convert to fraction form
    332,703.80/459,130.72 = 189,463.88/x
  3. Step 3: Cross multiply
    332,703.80x = 459,130.72 × 189,463.88
  4. Step 4: Simplify right side
    332,703.80x = 86,988,687,638.39
  5. Step 5: Solve for x
    x = 86,988,687,638.39/332,703.80
  6. Step 6: Final answer
    x = 261,459.86

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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.