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Finding the Fourth Proportional to 277,238.40, 382,648.28 and 175,198.92

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Solution

The fourth proportional to 277,238.40, 382,648.28 and 175,198.92 is: 241,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,238.40 : 382,648.28 = 175,198.92 : x
  2. Step 2: Convert to fraction form
    277,238.40/382,648.28 = 175,198.92/x
  3. Step 3: Cross multiply
    277,238.40x = 382,648.28 × 175,198.92
  4. Step 4: Simplify right side
    277,238.40x = 67,039,565,395.86
  5. Step 5: Solve for x
    x = 67,039,565,395.86/277,238.40
  6. Step 6: Final answer
    x = 241,811.98

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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.