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Finding the Fourth Proportional to 332,663.33, 459,079.78 and 189,423.94

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Solution

The fourth proportional to 332,663.33, 459,079.78 and 189,423.94 is: 261,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,663.33 : 459,079.78 = 189,423.94 : x
  2. Step 2: Convert to fraction form
    332,663.33/459,079.78 = 189,423.94/x
  3. Step 3: Cross multiply
    332,663.33x = 459,079.78 × 189,423.94
  4. Step 4: Simplify right side
    332,663.33x = 86,960,700,701.93
  5. Step 5: Solve for x
    x = 86,960,700,701.93/332,663.33
  6. Step 6: Final answer
    x = 261,407.53

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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.