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Finding the Fourth Proportional to 484,441.92, 725,612.64 and 234,600

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Solution

The fourth proportional to 484,441.92, 725,612.64 and 234,600 is: 351,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,441.92 : 725,612.64 = 234,600 : x
  2. Step 2: Convert to fraction form
    484,441.92/725,612.64 = 234,600/x
  3. Step 3: Cross multiply
    484,441.92x = 725,612.64 × 234,600
  4. Step 4: Simplify right side
    484,441.92x = 170,228,725,344
  5. Step 5: Solve for x
    x = 170,228,725,344/484,441.92
  6. Step 6: Final answer
    x = 351,391.40

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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.