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Finding the Fourth Proportional to 683,767.66, 943,594.22 and 377,864.68

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Solution

The fourth proportional to 683,767.66, 943,594.22 and 377,864.68 is: 521,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,767.66 : 943,594.22 = 377,864.68 : x
  2. Step 2: Convert to fraction form
    683,767.66/943,594.22 = 377,864.68/x
  3. Step 3: Cross multiply
    683,767.66x = 943,594.22 × 377,864.68
  4. Step 4: Simplify right side
    683,767.66x = 356,550,927,990.15
  5. Step 5: Solve for x
    x = 356,550,927,990.15/683,767.66
  6. Step 6: Final answer
    x = 521,450.41

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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.