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Finding the Fourth Proportional to 277,578.52, 383,065.30 and 170,207.72

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Solution

The fourth proportional to 277,578.52, 383,065.30 and 170,207.72 is: 234,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,578.52 : 383,065.30 = 170,207.72 : x
  2. Step 2: Convert to fraction form
    277,578.52/383,065.30 = 170,207.72/x
  3. Step 3: Cross multiply
    277,578.52x = 383,065.30 × 170,207.72
  4. Step 4: Simplify right side
    277,578.52x = 65,200,671,324.12
  5. Step 5: Solve for x
    x = 65,200,671,324.12/277,578.52
  6. Step 6: Final answer
    x = 234,890.91

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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.