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Finding the Fourth Proportional to 376,225.75, 519,191.54 and 206,459.88

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Solution

The fourth proportional to 376,225.75, 519,191.54 and 206,459.88 is: 284,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,225.75 : 519,191.54 = 206,459.88 : x
  2. Step 2: Convert to fraction form
    376,225.75/519,191.54 = 206,459.88/x
  3. Step 3: Cross multiply
    376,225.75x = 519,191.54 × 206,459.88
  4. Step 4: Simplify right side
    376,225.75x = 107,192,223,045.42
  5. Step 5: Solve for x
    x = 107,192,223,045.42/376,225.75
  6. Step 6: Final answer
    x = 284,914.64

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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.