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Finding the Fourth Proportional to 467,881.84, 645,666.15 and 276,898.42

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Solution

The fourth proportional to 467,881.84, 645,666.15 and 276,898.42 is: 382,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,881.84 : 645,666.15 = 276,898.42 : x
  2. Step 2: Convert to fraction form
    467,881.84/645,666.15 = 276,898.42/x
  3. Step 3: Cross multiply
    467,881.84x = 645,666.15 × 276,898.42
  4. Step 4: Simplify right side
    467,881.84x = 178,783,936,782.48
  5. Step 5: Solve for x
    x = 178,783,936,782.48/467,881.84
  6. Step 6: Final answer
    x = 382,113.43

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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.