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Finding the Fourth Proportional to 354,671.29, 489,318.50 and 273,024.51

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Solution

The fourth proportional to 354,671.29, 489,318.50 and 273,024.51 is: 376,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,671.29 : 489,318.50 = 273,024.51 : x
  2. Step 2: Convert to fraction form
    354,671.29/489,318.50 = 273,024.51/x
  3. Step 3: Cross multiply
    354,671.29x = 489,318.50 × 273,024.51
  4. Step 4: Simplify right side
    354,671.29x = 133,595,943,696.44
  5. Step 5: Solve for x
    x = 133,595,943,696.44/354,671.29
  6. Step 6: Final answer
    x = 376,675.38

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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.