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Finding the Fourth Proportional to 313,671.29, 432,644.69 and 192,880.85

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Solution

The fourth proportional to 313,671.29, 432,644.69 and 192,880.85 is: 266,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,671.29 : 432,644.69 = 192,880.85 : x
  2. Step 2: Convert to fraction form
    313,671.29/432,644.69 = 192,880.85/x
  3. Step 3: Cross multiply
    313,671.29x = 432,644.69 × 192,880.85
  4. Step 4: Simplify right side
    313,671.29x = 83,448,873,874.17
  5. Step 5: Solve for x
    x = 83,448,873,874.17/313,671.29
  6. Step 6: Final answer
    x = 266,039.25

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1.5x scale

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.