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Finding the Fourth Proportional to 277,984.80, 383,660.26 and 176,019.76

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Solution

The fourth proportional to 277,984.80, 383,660.26 and 176,019.76 is: 242,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,984.80 : 383,660.26 = 176,019.76 : x
  2. Step 2: Convert to fraction form
    277,984.80/383,660.26 = 176,019.76/x
  3. Step 3: Cross multiply
    277,984.80x = 383,660.26 × 176,019.76
  4. Step 4: Simplify right side
    277,984.80x = 67,531,786,886.74
  5. Step 5: Solve for x
    x = 67,531,786,886.74/277,984.80
  6. Step 6: Final answer
    x = 242,933.38

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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.