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Finding the Fourth Proportional to 637,671.76, 956,566.20 and 164,358.80

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Solution

The fourth proportional to 637,671.76, 956,566.20 and 164,358.80 is: 246,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,671.76 : 956,566.20 = 164,358.80 : x
  2. Step 2: Convert to fraction form
    637,671.76/956,566.20 = 164,358.80/x
  3. Step 3: Cross multiply
    637,671.76x = 956,566.20 × 164,358.80
  4. Step 4: Simplify right side
    637,671.76x = 157,220,072,752.56
  5. Step 5: Solve for x
    x = 157,220,072,752.56/637,671.76
  6. Step 6: Final answer
    x = 246,553.29

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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.