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Finding the Fourth Proportional to 376,000.76, 518,878.22 and 206,233.68

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Solution

The fourth proportional to 376,000.76, 518,878.22 and 206,233.68 is: 284,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,000.76 : 518,878.22 = 206,233.68 : x
  2. Step 2: Convert to fraction form
    376,000.76/518,878.22 = 206,233.68/x
  3. Step 3: Cross multiply
    376,000.76x = 518,878.22 × 206,233.68
  4. Step 4: Simplify right side
    376,000.76x = 107,010,164,782.45
  5. Step 5: Solve for x
    x = 107,010,164,782.45/376,000.76
  6. Step 6: Final answer
    x = 284,600.93

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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.