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Finding the Fourth Proportional to 463,487.40, 694,712.70 and 263,903.40

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Solution

The fourth proportional to 463,487.40, 694,712.70 and 263,903.40 is: 395,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,487.40 : 694,712.70 = 263,903.40 : x
  2. Step 2: Convert to fraction form
    463,487.40/694,712.70 = 263,903.40/x
  3. Step 3: Cross multiply
    463,487.40x = 694,712.70 × 263,903.40
  4. Step 4: Simplify right side
    463,487.40x = 183,337,043,553.18
  5. Step 5: Solve for x
    x = 183,337,043,553.18/463,487.40
  6. Step 6: Final answer
    x = 395,559.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.