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Finding the Fourth Proportional to 683,558.88, 943,291.68 and 377,630.40

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Solution

The fourth proportional to 683,558.88, 943,291.68 and 377,630.40 is: 521,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,558.88 : 943,291.68 = 377,630.40 : x
  2. Step 2: Convert to fraction form
    683,558.88/943,291.68 = 377,630.40/x
  3. Step 3: Cross multiply
    683,558.88x = 943,291.68 × 377,630.40
  4. Step 4: Simplify right side
    683,558.88x = 356,215,614,435.07
  5. Step 5: Solve for x
    x = 356,215,614,435.07/683,558.88
  6. Step 6: Final answer
    x = 521,119.14

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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.