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Finding the Fourth Proportional to 394,358.51, 544,068.55 and 273,606.95

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Solution

The fourth proportional to 394,358.51, 544,068.55 and 273,606.95 is: 377,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,358.51 : 544,068.55 = 273,606.95 : x
  2. Step 2: Convert to fraction form
    394,358.51/544,068.55 = 273,606.95/x
  3. Step 3: Cross multiply
    394,358.51x = 544,068.55 × 273,606.95
  4. Step 4: Simplify right side
    394,358.51x = 148,860,936,556.42
  5. Step 5: Solve for x
    x = 148,860,936,556.42/394,358.51
  6. Step 6: Final answer
    x = 377,476.16

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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.