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Finding the Fourth Proportional to 376,492.15, 519,559.17 and 206,726.27

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Solution

The fourth proportional to 376,492.15, 519,559.17 and 206,726.27 is: 285,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,492.15 : 519,559.17 = 206,726.27 : x
  2. Step 2: Convert to fraction form
    376,492.15/519,559.17 = 206,726.27/x
  3. Step 3: Cross multiply
    376,492.15x = 519,559.17 × 206,726.27
  4. Step 4: Simplify right side
    376,492.15x = 107,406,529,782.07
  5. Step 5: Solve for x
    x = 107,406,529,782.07/376,492.15
  6. Step 6: Final answer
    x = 285,282.26

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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.