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Finding the Fourth Proportional to 394,484.42, 544,255.52 and 224,598.26

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Solution

The fourth proportional to 394,484.42, 544,255.52 and 224,598.26 is: 309,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,484.42 : 544,255.52 = 224,598.26 : x
  2. Step 2: Convert to fraction form
    394,484.42/544,255.52 = 224,598.26/x
  3. Step 3: Cross multiply
    394,484.42x = 544,255.52 × 224,598.26
  4. Step 4: Simplify right side
    394,484.42x = 122,238,842,787.40
  5. Step 5: Solve for x
    x = 122,238,842,787.40/394,484.42
  6. Step 6: Final answer
    x = 309,869.89

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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.