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Finding the Fourth Proportional to 376,459.29, 519,514.71 and 206,704.35

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Solution

The fourth proportional to 376,459.29, 519,514.71 and 206,704.35 is: 285,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,459.29 : 519,514.71 = 206,704.35 : x
  2. Step 2: Convert to fraction form
    376,459.29/519,514.71 = 206,704.35/x
  3. Step 3: Cross multiply
    376,459.29x = 519,514.71 × 206,704.35
  4. Step 4: Simplify right side
    376,459.29x = 107,385,950,445.99
  5. Step 5: Solve for x
    x = 107,385,950,445.99/376,459.29
  6. Step 6: Final answer
    x = 285,252.49

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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.