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Finding the Fourth Proportional to 377,745.59, 521,277.93 and 205,666.97

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Solution

The fourth proportional to 377,745.59, 521,277.93 and 205,666.97 is: 283,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,745.59 : 521,277.93 = 205,666.97 : x
  2. Step 2: Convert to fraction form
    377,745.59/521,277.93 = 205,666.97/x
  3. Step 3: Cross multiply
    377,745.59x = 521,277.93 × 205,666.97
  4. Step 4: Simplify right side
    377,745.59x = 107,209,649,784.58
  5. Step 5: Solve for x
    x = 107,209,649,784.58/377,745.59
  6. Step 6: Final answer
    x = 283,814.43

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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.