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Finding the Fourth Proportional to 683,927.38, 943,790.41 and 377,987.95

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Solution

The fourth proportional to 683,927.38, 943,790.41 and 377,987.95 is: 521,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,927.38 : 943,790.41 = 377,987.95 : x
  2. Step 2: Convert to fraction form
    683,927.38/943,790.41 = 377,987.95/x
  3. Step 3: Cross multiply
    683,927.38x = 943,790.41 × 377,987.95
  4. Step 4: Simplify right side
    683,927.38x = 356,741,402,305.56
  5. Step 5: Solve for x
    x = 356,741,402,305.56/683,927.38
  6. Step 6: Final answer
    x = 521,607.14

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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.