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Finding the Fourth Proportional to 548,593.94, 757,024.08 and 306,834.68

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Solution

The fourth proportional to 548,593.94, 757,024.08 and 306,834.68 is: 423,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,593.94 : 757,024.08 = 306,834.68 : x
  2. Step 2: Convert to fraction form
    548,593.94/757,024.08 = 306,834.68/x
  3. Step 3: Cross multiply
    548,593.94x = 757,024.08 × 306,834.68
  4. Step 4: Simplify right side
    548,593.94x = 232,281,241,339.09
  5. Step 5: Solve for x
    x = 232,281,241,339.09/548,593.94
  6. Step 6: Final answer
    x = 423,411.97

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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.