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Finding the Fourth Proportional to 273,686.39, 377,660.42 and 187,718.82

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Solution

The fourth proportional to 273,686.39, 377,660.42 and 187,718.82 is: 259,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,686.39 : 377,660.42 = 187,718.82 : x
  2. Step 2: Convert to fraction form
    273,686.39/377,660.42 = 187,718.82/x
  3. Step 3: Cross multiply
    273,686.39x = 377,660.42 × 187,718.82
  4. Step 4: Simplify right side
    273,686.39x = 70,893,967,808.15
  5. Step 5: Solve for x
    x = 70,893,967,808.15/273,686.39
  6. Step 6: Final answer
    x = 259,033.58

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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.