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Finding the Fourth Proportional to 683,563.01, 943,313.91 and 377,639.43

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Solution

The fourth proportional to 683,563.01, 943,313.91 and 377,639.43 is: 521,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,563.01 : 943,313.91 = 377,639.43 : x
  2. Step 2: Convert to fraction form
    683,563.01/943,313.91 = 377,639.43/x
  3. Step 3: Cross multiply
    683,563.01x = 943,313.91 × 377,639.43
  4. Step 4: Simplify right side
    683,563.01x = 356,232,527,283.47
  5. Step 5: Solve for x
    x = 356,232,527,283.47/683,563.01
  6. Step 6: Final answer
    x = 521,140.74

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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.