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Finding the Fourth Proportional to 382,425.82, 527,751.04 and 207,997.58

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Solution

The fourth proportional to 382,425.82, 527,751.04 and 207,997.58 is: 287,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,425.82 : 527,751.04 = 207,997.58 : x
  2. Step 2: Convert to fraction form
    382,425.82/527,751.04 = 207,997.58/x
  3. Step 3: Cross multiply
    382,425.82x = 527,751.04 × 207,997.58
  4. Step 4: Simplify right side
    382,425.82x = 109,770,939,162.48
  5. Step 5: Solve for x
    x = 109,770,939,162.48/382,425.82
  6. Step 6: Final answer
    x = 287,038.51

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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.